There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world—and how we can use it to combat climate change.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Select footage courtesy NASA
https://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11056
Renewable Energy101 | National Geographic
https://youtu.be/1kUE0BZtTRc
National Geographic
https://www.youtube.com/natgeo

Jennifer Hudson, Pixie Lott, Luan Santana, Yemi Alade and Monali Thakur celebrate five cleaner energy initiatives in On Top of the World. Join us, because access to energy can help change lives.
This is the official YouTube channel of Shell, a worldwide leader in the oil and gas industry. Our aim is to meet the energy needs of society in ways that are economically, socially and environmentally viable, now and in the future. We believe that oil and gas will remain a vital part of the global energy mix for many decades to come. Our role is to ensure that we extract and deliver these energy resources profitably and in environmentally and socially responsible ways.
Watch our technological and educational videos to gain a better understanding of how we do this. Our videos cover topics such as innovation, jobs and careers, investor relations information, motorsports, the Shell Eco-marathon, engineering and our top products such as Shell V-Power.
Visit our Website: http://www.shell.com/
Like us on Facebook: https://www.facebook.com/Shell/
Follow us on Instagram: https://www.instagram.com/shell/
Follow us on Twitter: https://twitter.com/shell
Look us up on Flickr: http://www.flickr.com/photos/royaldutchshell
Linkedin: https://www.linkedin.com/company-beta/1271/

published:01 Dec 2017

views:14672107

Watch the full episode: http://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In this video, Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O'Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
Watch the new season of Ask This Old House: http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
Find the TV schedule for air times in your area: http://www.thisoldhouse.com/toh/info/0,,20058777,00.html
Click here to SUBSCRIBE to the official This Old HouseYouTube channel: http://www.youtube.com/subscription_center?add_user=thisoldhouse
Follow This Old House and Ask This Old House:
Facebook: https://www.facebook.com/ThisOldHouse
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https://twitter.com/asktoh
Pinterest: http://www.pinterest.com/thisoldhouse/
G+: https://plus.google.com/+thisoldhouse/posts
Instagram: http://instagram.com/thisoldhouse
Tumblr: http://thisoldhouse.tumblr.com/

published:27 Oct 2015

views:315604

See how we can generate clean, renewable energy from hot water sources deep beneath the Earth's surface. The video highlights the basic principles at work in geothermal energy production, and illustrates three different ways the Earth's heat can be converted into electricity.
Transcript:
http://energy.gov/eere/videos/energy-101-geothermal-energy
---
Subscribe to Energy for regular content: http://goo.gl/Ga5lP
Like Energy on Facebook: https://www.facebook.com/energygov
Follow Energy on Twitter: https://twitter.com/ENERGY

published:30 Jul 2014

views:545614

Get more info here about the research conducted in the Sustainable Energy Planning Group at Aalborg University:
http://www.EnergyPLAN.eu
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SmartEnergySystems: 100% Renewable Energy at a NationalLevel (Full Version)
Denmark has decided to become independent from fossil fuels. For the sake of the climate, the economy, and in order to ensure security of energy supply. This film shows how this will happen based on research conducted at Aalborg University (http://www.smartenergysystems.eu).
At present wind and solar energy already delivers a good share of Denmark's energy, but renewable energy is a major challenge for an energy system that is built upon fossil fuels. Energy production from wind and solar fluctuates - it fluctuates as the wind blows. So what renewables are reliable when there is no sun or wind energy available?
Another challenge is the transport sector. How do we create an energy system of renewable energy, where also cars, ships and planes can operate on fossil-free energy? A great example of an energy system that will ensure Denmark a 100% renewable energy system is called: Smart Energy Systems - a coherent, fossil-free energy system that will create lots of new jobs and green energy for the Danes, both in terms of electricity, heat and transport.
Production courtesy of:
http://www.webwall.tv/blueplanetinnovation
http://www.blueplanetinnovation.dk

published:28 Nov 2014

views:242354

Thermoelectric tube from Panasonic harnesses thermal energy in hot water pipes for clean, renewable energy. Featuring a simple structure, in the future it could be used in factories to generate electricity from waste heat.
(http://www.diginfo.tv/v/12-0224-r-en.php)
20/12/2012
Panasonic
Thermoelectric Tubes
DigInfo TV - http://www.diginfo.tv

published:28 Dec 2012

views:274140

Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclear energy, and even coal for our energy needs and environmental obligations? Alex Epstein of the Center for IndustrialProgress explains.
Donate today to PragerU! http://l.prageru.com/2ylo1Yt
Joining PragerU is free! Sign up now to get all our videos as soon as they're released. http://prageru.com/signup
Download Pragerpedia on your iPhone or Android! Thousands of sources and facts at your fingertips.
iPhone: http://l.prageru.com/2dlsnbG
Android: http://l.prageru.com/2dlsS5e
Join Prager United to get new swag every quarter, exclusive early access to our videos, and an annual TownHall phone call with Dennis Prager! http://l.prageru.com/2c9n6ys
Join PragerU's text list to have these videos, free merchandise giveaways and breaking announcements sent directly to your phone! https://optin.mobiniti.com/prageru
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PragerU is on Snapchat!
JOIN PragerFORCE!
For Students: http://l.prageru.com/29SgPaX
JOIN our Educators Network! http://l.prageru.com/2c8vsff
Script:
Are wind and solar power the answer to our energy needs? There’s a lot of sun and a lot of wind. They’re free. They’re clean. No CO2 emissions. So, what’s the problem?
Why do solar and wind combined provide less than 2% of the world’s energy?
To answer these questions, we need to understand what makes energy, or anything else for that matter, cheap and plentiful.
For something to be cheap and plentiful, every part of the process to produce it, including every input that goes into it, must be cheap and plentiful.
Yes, the sun is free. Yes, wind is free. But the process of turning sunlight and wind into useable energy on a mass scale is far from free. In fact, compared to the other sources of energy -- fossil fuels, nuclear power, and hydroelectric power, solar and wind power are very expensive.
The basic problem is that sunlight and wind as energy sources are both weak (the more technical term is dilute) and unreliable (the more technical term is intermittent). It takes a lot of resources to collect and concentrate them, and even more resources to make them available on-demand. These are called the diluteness problem and the intermittency problem.
The diluteness problem is that, unlike coal or oil, the sun and the wind don’t deliver concentrated energy -- which means you need a lot of additional materials to produce a unit of energy.
For solar power, such materials can include highly purified silicon, phosphorus, boron, and a dozen other complex compounds like titanium dioxide. All these materials have to be mined, refined and/or manufactured in order to make solar panels. Those industrial processes take a lot of energy.
For wind, needed materials include high-performance compounds for turbine blades and the rare-earth metal neodymium for lightweight, specialty magnets, as well as the steel and concrete necessary to build structures -- thousands of them -- as tall as skyscrapers.
And as big a problem as diluteness is, it’s nothing compared to the intermittency problem. This isn’t exactly a news flash, but the sun doesn’t shine all the time. And the wind doesn’t blow all the time. The only way for solar and wind to be truly useful would be if we could store them so that they would be available when we needed them. You can store oil in a tank. Where do you store solar or wind energy? No such mass-storage system exists. Which is why, in the entire world, there is not one real or proposed independent, freestanding solar or wind power plant. All of them require backup. And guess what the go-to back-up is: fossil fuel.
Here’s what solar and wind electricity look like in Germany, which is the world’s leader in “renewables”. The word erratic leaps to mind. Wind is constantly varying, sometimes disappearing completely. And solar produces little in the winter months when Germany most needs energy.
For the complete script, visit https://www.prageru.com/videos/can-we-rely-wind-and-solar-energy

published:19 Oct 2015

views:1169226

Nuclear energy is a cheap and relatively clean source of energy for the planet, but lately it has been mired in controversy. Solar energy is often brought up as alternative resource, but is it really better than nuclear energy? Which is better for the planet? Let’s find out in this battle of Nuclear Energy vs Solar Energy!
SUBSCRIBE TO OUR CHANNEL —► http://bit.ly/2glTFyc
Patreon..........► https://www.patreon.com/user?u=861446
Facebook.......► https://facebook.com/TheInfographicsShow
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Subreddit.......► http://reddit.com/r/TheInfographicsShow
--------------------------------------------------------------------------
Sources for this video:
http://pastebin.com/kXq4vFMB
Our channel —► http://www.youtube.com/user/TheInfographicsShow/
Videos made by us and others —► https://www.youtube.com/playlist?list=LLfdNM3NAhaBOXCafH7krzrA
Help us caption & translate this video!
http://amara.org/v/2lfi/

published:17 Jan 2017

views:441697

A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Alternative Energy | National Geographic
https://youtu.be/oIU5fFmDeSc
National Geographic
https://www.youtube.com/natgeo

published:06 Apr 2009

views:101362

In this video we meet Casey & Natasha, a conscious couple who built a passive solar home near Ottawa, Ontario, Canada. In addition to orienting their house to face south, they installed overhangs that block the sun to keep it cool during summer months and allow the sun to enter and heat the house during winter months. They also installed a 10 kW solar system that sells clean electricity back to the grid through Ontario's MicroFIT Program and the revenue helps cover their own utility bills.
The house was built to Passive House standards and is currently pending certification. You can learn more about Passive House here:
http://www.passivehouse.ca/fundamentals/
The exterior walls of this house are 20" thick and are insulated using Roxul insulation which is made locally, better for the environment, can get wet, and has less flame retardants than traditional fiberglass insulation, which means cleaner air quality in the home.
To maximize the energy efficiency of their home, they installed triple glazed windows, a drain water heat recovery system, an air source heat pump water heater, and a bioethanol fireplace. They also chose sustainable alternatives like concrete countertops instead of granite, and reclaimed pine flooring instead of using new wood. Last but not least, they designed their house to be completely fossil fuel-free which means that they don't use any fossil fuels to power or heat their home.
Casey & Natasha are building a conscious group of companies to align their work life with their personal values. Their companies include The ConsciousBuilder, the Conscious Living podcast and the Conscious Store (coming soon!).
http://cgreyconstruction.com
http://caseyplusnatasha.com
Thanks for watching!
Mat & Danielle
-----------------------------------------------------------------------------------------
Stay in Touch!
-----------------------------------------------------------------------------------------
Blog: www.exploringalternatives.ca
Facebook: /exploringalternativesblog
Instagram: @exploringalternatives
Music & SongCredits:
All music in this video was composed, performed, and recorded by Mat Dubé of Exploring Alternatives.

Renewable resource

A renewable resource is an organic natural resource which can replenish to overcome usage and consumption, either through biological reproduction or other naturally reoccurring processes. Renewable resources are a part of Earth's natural environment and the largest components of its ecosphere. A positive life cycle assessment is a key indicator of a resource's sustainability.

Definitions of renewable resources may also include agricultural production, as in sustainable agriculture and to an extent water resources. In 1962 Paul Alfred Weiss defined Renewable Resources as: "The total range of living organisms providing man with food, fibres, drugs, etc...". Another type of renewable resources is renewable energy resources. Common sources of renewable energy include solar, geothermal and wind power, which are all categorised as renewable resources.

Food and water

Water resources

Water can be considered a renewablematerial when carefully controlled usage, treatment, and release are followed. If not, it would become a non-renewable resource at that location. For example, groundwater is usually removed from an aquifer at a rate much greater than its very slow natural recharge, and so groundwater is considered non-renewable. Removal of water from the pore spaces may cause permanent compaction (subsidence) that cannot be renewed. 97.5% of the water on the Earth is salt water, and 3% is fresh water; slightly over two thirds of this is frozen in glaciers and polarice caps. The remaining unfrozen freshwater is found mainly as groundwater, with only a small fraction (0.008%) present above ground or in the air.

Based on REN21's 2014 report, renewables contributed 19 percent to humans' global energy consumption and 22 percent to their generation of electricity in 2012 and 2013, respectively. This energy consumption is divided as 9% coming from traditional biomass, 4.2% as heat energy (non-biomass), 3.8% hydro electricity and 2% is electricity from wind, solar, geothermal, and biomass. Worldwide investments in renewable technologies amounted to more than US$214 billion in 2013, with countries like China and the United States heavily investing in wind, hydro, solar and biofuels.

Energy

In physics, energy is a property of objects which can be transferred to other objects or converted into different forms, but cannot be created or destroyed. The "ability of a system to perform work" is a common description, but it is difficult to give one single comprehensive definition of energy because of its many forms. For instance, in SI units, energy is measured in joules, and one joule is defined "mechanically", being the energy transferred to an object by the mechanical work of moving it a distance of 1 metre against a force of 1 newton. However, there are many other definitions of energy, depending on the context, such as thermal energy, radiant energy, electromagnetic, nuclear, etc., where definitions are derived that are the most convenient.

Renewable Energy 101 | National Geographic

There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world—and how we can use it to combat climate change.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Select footage courtesy NASA
https://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11056
Renewable Energy101 | National Geographic
https://youtu.be/1kUE0BZtTRc
National Geographic
https://www.youtube.com/natgeo

On Top of the World | Shell #makethefuture

Jennifer Hudson, Pixie Lott, Luan Santana, Yemi Alade and Monali Thakur celebrate five cleaner energy initiatives in On Top of the World. Join us, because access to energy can help change lives.
This is the official YouTube channel of Shell, a worldwide leader in the oil and gas industry. Our aim is to meet the energy needs of society in ways that are economically, socially and environmentally viable, now and in the future. We believe that oil and gas will remain a vital part of the global energy mix for many decades to come. Our role is to ensure that we extract and deliver these energy resources profitably and in environmentally and socially responsible ways.
Watch our technological and educational videos to gain a better understanding of how we do this. Our videos cover topics such as innovation, jobs and careers, investor relations information, motorsports, the Shell Eco-marathon, engineering and our top products such as Shell V-Power.
Visit our Website: http://www.shell.com/
Like us on Facebook: https://www.facebook.com/Shell/
Follow us on Instagram: https://www.instagram.com/shell/
Follow us on Twitter: https://twitter.com/shell
Look us up on Flickr: http://www.flickr.com/photos/royaldutchshell
Linkedin: https://www.linkedin.com/company-beta/1271/

8:53

What Germany Can Teach Us About Home Energy

What Germany Can Teach Us About Home Energy

What Germany Can Teach Us About Home Energy

Watch the full episode: http://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In this video, Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O'Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
Watch the new season of Ask This Old House: http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
Find the TV schedule for air times in your area: http://www.thisoldhouse.com/toh/info/0,,20058777,00.html
Click here to SUBSCRIBE to the official This Old HouseYouTube channel: http://www.youtube.com/subscription_center?add_user=thisoldhouse
Follow This Old House and Ask This Old House:
Facebook: https://www.facebook.com/ThisOldHouse
Twitter: https://twitter.com/thisoldhouse
https://twitter.com/asktoh
Pinterest: http://www.pinterest.com/thisoldhouse/
G+: https://plus.google.com/+thisoldhouse/posts
Instagram: http://instagram.com/thisoldhouse
Tumblr: http://thisoldhouse.tumblr.com/

3:48

Energy 101: Geothermal Energy

Energy 101: Geothermal Energy

Energy 101: Geothermal Energy

See how we can generate clean, renewable energy from hot water sources deep beneath the Earth's surface. The video highlights the basic principles at work in geothermal energy production, and illustrates three different ways the Earth's heat can be converted into electricity.
Transcript:
http://energy.gov/eere/videos/energy-101-geothermal-energy
---
Subscribe to Energy for regular content: http://goo.gl/Ga5lP
Like Energy on Facebook: https://www.facebook.com/energygov
Follow Energy on Twitter: https://twitter.com/ENERGY

Get more info here about the research conducted in the Sustainable Energy Planning Group at Aalborg University:
http://www.EnergyPLAN.eu
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SmartEnergySystems: 100% Renewable Energy at a NationalLevel (Full Version)
Denmark has decided to become independent from fossil fuels. For the sake of the climate, the economy, and in order to ensure security of energy supply. This film shows how this will happen based on research conducted at Aalborg University (http://www.smartenergysystems.eu).
At present wind and solar energy already delivers a good share of Denmark's energy, but renewable energy is a major challenge for an energy system that is built upon fossil fuels. Energy production from wind and solar fluctuates - it fluctuates as the wind blows. So what renewables are reliable when there is no sun or wind energy available?
Another challenge is the transport sector. How do we create an energy system of renewable energy, where also cars, ships and planes can operate on fossil-free energy? A great example of an energy system that will ensure Denmark a 100% renewable energy system is called: Smart Energy Systems - a coherent, fossil-free energy system that will create lots of new jobs and green energy for the Danes, both in terms of electricity, heat and transport.
Production courtesy of:
http://www.webwall.tv/blueplanetinnovation
http://www.blueplanetinnovation.dk

Thermoelectric tube from Panasonic harnesses thermal energy in hot water pipes for clean, renewable energy. Featuring a simple structure, in the future it could be used in factories to generate electricity from waste heat.
(http://www.diginfo.tv/v/12-0224-r-en.php)
20/12/2012
Panasonic
Thermoelectric Tubes
DigInfo TV - http://www.diginfo.tv

4:24

Can We Rely on Wind and Solar Energy?

Can We Rely on Wind and Solar Energy?

Can We Rely on Wind and Solar Energy?

Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclear energy, and even coal for our energy needs and environmental obligations? Alex Epstein of the Center for IndustrialProgress explains.
Donate today to PragerU! http://l.prageru.com/2ylo1Yt
Joining PragerU is free! Sign up now to get all our videos as soon as they're released. http://prageru.com/signup
Download Pragerpedia on your iPhone or Android! Thousands of sources and facts at your fingertips.
iPhone: http://l.prageru.com/2dlsnbG
Android: http://l.prageru.com/2dlsS5e
Join Prager United to get new swag every quarter, exclusive early access to our videos, and an annual TownHall phone call with Dennis Prager! http://l.prageru.com/2c9n6ys
Join PragerU's text list to have these videos, free merchandise giveaways and breaking announcements sent directly to your phone! https://optin.mobiniti.com/prageru
Do you shop on Amazon? Click https://smile.amazon.com and a percentage of every Amazon purchase will be donated to PragerU. Same great products. Same low price. Shopping made meaningful.
VISIT PragerU! https://www.prageru.com
FOLLOW us!
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Twitter: https://twitter.com/prageru
Instagram: https://instagram.com/prageru/
PragerU is on Snapchat!
JOIN PragerFORCE!
For Students: http://l.prageru.com/29SgPaX
JOIN our Educators Network! http://l.prageru.com/2c8vsff
Script:
Are wind and solar power the answer to our energy needs? There’s a lot of sun and a lot of wind. They’re free. They’re clean. No CO2 emissions. So, what’s the problem?
Why do solar and wind combined provide less than 2% of the world’s energy?
To answer these questions, we need to understand what makes energy, or anything else for that matter, cheap and plentiful.
For something to be cheap and plentiful, every part of the process to produce it, including every input that goes into it, must be cheap and plentiful.
Yes, the sun is free. Yes, wind is free. But the process of turning sunlight and wind into useable energy on a mass scale is far from free. In fact, compared to the other sources of energy -- fossil fuels, nuclear power, and hydroelectric power, solar and wind power are very expensive.
The basic problem is that sunlight and wind as energy sources are both weak (the more technical term is dilute) and unreliable (the more technical term is intermittent). It takes a lot of resources to collect and concentrate them, and even more resources to make them available on-demand. These are called the diluteness problem and the intermittency problem.
The diluteness problem is that, unlike coal or oil, the sun and the wind don’t deliver concentrated energy -- which means you need a lot of additional materials to produce a unit of energy.
For solar power, such materials can include highly purified silicon, phosphorus, boron, and a dozen other complex compounds like titanium dioxide. All these materials have to be mined, refined and/or manufactured in order to make solar panels. Those industrial processes take a lot of energy.
For wind, needed materials include high-performance compounds for turbine blades and the rare-earth metal neodymium for lightweight, specialty magnets, as well as the steel and concrete necessary to build structures -- thousands of them -- as tall as skyscrapers.
And as big a problem as diluteness is, it’s nothing compared to the intermittency problem. This isn’t exactly a news flash, but the sun doesn’t shine all the time. And the wind doesn’t blow all the time. The only way for solar and wind to be truly useful would be if we could store them so that they would be available when we needed them. You can store oil in a tank. Where do you store solar or wind energy? No such mass-storage system exists. Which is why, in the entire world, there is not one real or proposed independent, freestanding solar or wind power plant. All of them require backup. And guess what the go-to back-up is: fossil fuel.
Here’s what solar and wind electricity look like in Germany, which is the world’s leader in “renewables”. The word erratic leaps to mind. Wind is constantly varying, sometimes disappearing completely. And solar produces little in the winter months when Germany most needs energy.
For the complete script, visit https://www.prageru.com/videos/can-we-rely-wind-and-solar-energy

Nuclear energy is a cheap and relatively clean source of energy for the planet, but lately it has been mired in controversy. Solar energy is often brought up as alternative resource, but is it really better than nuclear energy? Which is better for the planet? Let’s find out in this battle of Nuclear Energy vs Solar Energy!
SUBSCRIBE TO OUR CHANNEL —► http://bit.ly/2glTFyc
Patreon..........► https://www.patreon.com/user?u=861446
Facebook.......► https://facebook.com/TheInfographicsShow
Twitter............► https://twitter.com/TheInfoShow
Subreddit.......► http://reddit.com/r/TheInfographicsShow
--------------------------------------------------------------------------
Sources for this video:
http://pastebin.com/kXq4vFMB
Our channel —► http://www.youtube.com/user/TheInfographicsShow/
Videos made by us and others —► https://www.youtube.com/playlist?list=LLfdNM3NAhaBOXCafH7krzrA
Help us caption & translate this video!
http://amara.org/v/2lfi/

2:49

Alternative Energy | National Geographic

Alternative Energy | National Geographic

Alternative Energy | National Geographic

A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Alternative Energy | National Geographic
https://youtu.be/oIU5fFmDeSc
National Geographic
https://www.youtube.com/natgeo

9:36

Couple Builds Energy Efficient Passive Solar Home - Green Building

Couple Builds Energy Efficient Passive Solar Home - Green Building

Couple Builds Energy Efficient Passive Solar Home - Green Building

In this video we meet Casey & Natasha, a conscious couple who built a passive solar home near Ottawa, Ontario, Canada. In addition to orienting their house to face south, they installed overhangs that block the sun to keep it cool during summer months and allow the sun to enter and heat the house during winter months. They also installed a 10 kW solar system that sells clean electricity back to the grid through Ontario's MicroFIT Program and the revenue helps cover their own utility bills.
The house was built to Passive House standards and is currently pending certification. You can learn more about Passive House here:
http://www.passivehouse.ca/fundamentals/
The exterior walls of this house are 20" thick and are insulated using Roxul insulation which is made locally, better for the environment, can get wet, and has less flame retardants than traditional fiberglass insulation, which means cleaner air quality in the home.
To maximize the energy efficiency of their home, they installed triple glazed windows, a drain water heat recovery system, an air source heat pump water heater, and a bioethanol fireplace. They also chose sustainable alternatives like concrete countertops instead of granite, and reclaimed pine flooring instead of using new wood. Last but not least, they designed their house to be completely fossil fuel-free which means that they don't use any fossil fuels to power or heat their home.
Casey & Natasha are building a conscious group of companies to align their work life with their personal values. Their companies include The ConsciousBuilder, the Conscious Living podcast and the Conscious Store (coming soon!).
http://cgreyconstruction.com
http://caseyplusnatasha.com
Thanks for watching!
Mat & Danielle
-----------------------------------------------------------------------------------------
Stay in Touch!
-----------------------------------------------------------------------------------------
Blog: www.exploringalternatives.ca
Facebook: /exploringalternativesblog
Instagram: @exploringalternatives
Music & SongCredits:
All music in this video was composed, performed, and recorded by Mat Dubé of Exploring Alternatives.

Figure360: an author presentation of Figure 2
Time-Dependent Changes in 139-Country-Summed, Annually Averaged End-Use PowerDemand for All Purposes (Electricity, Transportation, Heating/Cooling, Industry, Agriculture/Fishing/Forestry, and Other) and EnergySupply in the BAU (Conventional Fuels) Case and as Proposed Here in the WWS Case
Total power demand decreases upon converting to WWS. The percentages next to each WWS source are the final (2050) estimated percent supply of end-use power by the source. The 100% demarcation in 2050 indicates that 100% of all-purpose power is provided by WWS technologies by 2050, and the power demand by that time has decreased. In the WWS scenario, 80% conversion occurs by 2030.
http//dx.doi.org/10.1016/j.joule.2017.07.005#mmc2

In this first part of a 3-part series, I examine hydropower and geothermal energy as options to power a clean energy grid.
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================
LINKS LINKS LINKS
Global consumption of electricity and how its generated:
https://yearbook.enerdata.net/electricity/electricity-domestic-consumption-data.htmlGeothermal efficiency:
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdfReport on renewables providing base load energy:
https://www.skepticalscience.com/print.php?r=374
================
TRANSCRIPT:
Hydroelectric is the use of moving water to turn turbines that generate electricity, usually through the building of dams or pump stations on rivers.
And hydroelectricity is the king of renewable energy, making up 70% of the renewable energy produced around the world. And for good reason.
They’re kind-of the perfect energy source. It’s stable, base-load energy that’s flexible. If you need more electricity, just release more water into the turbines.
They’re cheap to run and maintain once they’re built and they’re 95% efficient at generating energy, compared to 33% for coal and 15% for solar.
And of course they create no pollutants, consume no fuel, and the water never stops flowing.
The Three Gorges Dam in China is actually the largest energy plant of any kind in the world and generates just under a hundred terawatt hours per year all by itself.
So, hydro is kinda perfect. The problem is, it’s location-specific.
If you don’t live by a large river, you’re not going to be able to use it. Luckily, most cities were built near rivers, but not all rivers are large and powerful enough to make enough difference to justify the cost of building them.
Which is also a problem. While they produce free energy for decades and even centuries after they’re built, hydroelectric dams are huge engineering projects that cost tons of money up front.
(By the way, the whole ‘expensive at first but then free for decades’ thing is a common theme amongst renewable energies)
They also create reservoirs and lakes that flood a lot of land whose landowners may not want to give up.
There are some concerns about the disruption of fish habitats, but… that’s not at the top if my list of concerns.
So each hydroelectric plant is a birds nest of legal and construction challenges to overcome but even so, the number of hydropower plants are expected to double by 2050.
Another base load energy source is geothermal energy.
Geothermal uses the heat from natural geologic hotspots to turn turbines that generate electricity.
Iceland and the Philippines are major producers of geothermal power, which can be used in huge commercial plants to power entire cities or just pump the heat directly into homes for heating.
It’s a consistent flow of energy so it never runs out, but the efficiency isn’t great. Only an average of 12% efficiency.
Which really just means it will take longer for the investment to build it to pay off because once it’s turned on, it’s just free energy basically. And the efficiency is getting better, with newer plants getting over 20%.
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdf
Even in Iceland, which is covered in hotspots and has a very progressive attitude toward clean energy, it only accounts for 30% of their energy production.
So it’s not likely to become a major source of energy worldwide
And as if all that wasn’t enough of a bummer, it also turns out that geothermal can produce greenhouse gasses.
Geologic hotspots churn up all kinds of stuff from inside the Earth, stuff like sulfur dioxide and silica emissions, and heavy metals like mercury, arsenic and boron.
These can get in the reservoirs and eventually the water supply.
Oh, and by the way, one of the methods they use to open up geothermal wells is hydraulic fracking. Yeah. That hydraulic fracking.
Let’s drill down and inject extremely high pressure water and other chemicals… Right over a volcano.
What could go wrong?
Earthquakes. That’s what.
Just like fracking for natural gas has caused earthquakes in Oklahoma...
(zoom in)
Earthquakes. In Oklahoma.
A geothermal well that was drilled in Switzerland set off an earthquake that measured a 3.4 on the Richter scale.
(pained)
Geothermal… Why do you hurt me so?
I used to think geothermal was really cool. Used to.
So am I wrong about this? Do you have experience using geothermal, or working in hydro plants? Are my numbers garbage? Let me know in the comments
The next video in this series will focus on biomass energy and harnessing the motion of the ocean to make power.

Renewable Energy 101 | National Geographic

There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world—and how we can use it to combat climate change.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
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Twitter: http://bit.ly/NatGeoTwitter
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Select footage courtesy NASA
htt...

published: 21 Sep 2017

Top 10 Energy Sources of the Future

These are ten most promising alternative energy sources of tomorrow.
It’s a really exciting time to be alive. We have a front row seat to the only known transformation of a world powered by dirty fossil fuels, to a planet that gets its energy from renewable, clean sources. It’s happening just once, right now.
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10. Space-based solar power
http://energy.gov/articles/space-based-solar-power
9. HumanPower
http://www.scientificamerican.com/article/scientists-harness-human-power-electricity/
8. Tidal Power
http://www.renewablegreenen...

On Top of the World | Shell #makethefuture

Jennifer Hudson, Pixie Lott, Luan Santana, Yemi Alade and Monali Thakur celebrate five cleaner energy initiatives in On Top of the World. Join us, because access to energy can help change lives.
This is the official YouTube channel of Shell, a worldwide leader in the oil and gas industry. Our aim is to meet the energy needs of society in ways that are economically, socially and environmentally viable, now and in the future. We believe that oil and gas will remain a vital part of the global energy mix for many decades to come. Our role is to ensure that we extract and deliver these energy resources profitably and in environmentally and socially responsible ways.
Watch our technological and educational videos to gain a better understanding of how we do this. Our videos cover topics su...

published: 01 Dec 2017

What Germany Can Teach Us About Home Energy

Watch the full episode: http://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In this video, Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O'Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
Watch the new season of Ask This Old House: http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
Find the TV schedule for air times in your area: http://www.thisoldhouse.com/toh/info/0,,20058777,00.html
Click here to SUBSCRIBE to the official This Old HouseYouTube channel: http://www.youtube.com/subscription_center?add_user=thisoldhouse
Follow This Old House and Ask This Old House:
Facebook: https://www.facebook.com/ThisOldHouse
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https://twitter.com/asktoh
Pinte...

published: 27 Oct 2015

Energy 101: Geothermal Energy

See how we can generate clean, renewable energy from hot water sources deep beneath the Earth's surface. The video highlights the basic principles at work in geothermal energy production, and illustrates three different ways the Earth's heat can be converted into electricity.
Transcript:
http://energy.gov/eere/videos/energy-101-geothermal-energy
---
Subscribe to Energy for regular content: http://goo.gl/Ga5lP
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Follow Energy on Twitter: https://twitter.com/ENERGY

Get more info here about the research conducted in the Sustainable Energy Planning Group at Aalborg University:
http://www.EnergyPLAN.eu
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SmartEnergySystems: 100% Renewable Energy at a NationalLevel (Full Version)
Denmark has decided to become independent from fossil fuels. For the sake of the climate, the economy, and in order to ensure security of energy supply. This film shows how this will happen based on research conducted at Aalborg University (http://www.smartenergysystems.eu).
At present wind and solar energy already delivers a good share of Denmark's energy, but renewable energy is a major challenge...

Thermoelectric tube from Panasonic harnesses thermal energy in hot water pipes for clean, renewable energy. Featuring a simple structure, in the future it could be used in factories to generate electricity from waste heat.
(http://www.diginfo.tv/v/12-0224-r-en.php)
20/12/2012
Panasonic
Thermoelectric Tubes
DigInfo TV - http://www.diginfo.tv

published: 28 Dec 2012

Can We Rely on Wind and Solar Energy?

Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclear energy, and even coal for our energy needs and environmental obligations? Alex Epstein of the Center for IndustrialProgress explains.
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Nuclear energy is a cheap and relatively clean source of energy for the planet, but lately it has been mired in controversy. Solar energy is often brought up as alternative resource, but is it really better than nuclear energy? Which is better for the planet? Let’s find out in this battle of Nuclear Energy vs Solar Energy!
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published: 17 Jan 2017

Alternative Energy | National Geographic

A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
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Alternative Energy | National Geographic
https://youtu.be/oIU5fFmDeSc
National Geographic
https://www.youtube.com/natgeo

published: 06 Apr 2009

Couple Builds Energy Efficient Passive Solar Home - Green Building

In this video we meet Casey & Natasha, a conscious couple who built a passive solar home near Ottawa, Ontario, Canada. In addition to orienting their house to face south, they installed overhangs that block the sun to keep it cool during summer months and allow the sun to enter and heat the house during winter months. They also installed a 10 kW solar system that sells clean electricity back to the grid through Ontario's MicroFIT Program and the revenue helps cover their own utility bills.
The house was built to Passive House standards and is currently pending certification. You can learn more about Passive House here:
http://www.passivehouse.ca/fundamentals/
The exterior walls of this house are 20" thick and are insulated using Roxul insulation which is made locally, better for the en...

Figure360: an author presentation of Figure 2
Time-Dependent Changes in 139-Country-Summed, Annually Averaged End-Use PowerDemand for All Purposes (Electricity, Transportation, Heating/Cooling, Industry, Agriculture/Fishing/Forestry, and Other) and EnergySupply in the BAU (Conventional Fuels) Case and as Proposed Here in the WWS Case
Total power demand decreases upon converting to WWS. The percentages next to each WWS source are the final (2050) estimated percent supply of end-use power by the source. The 100% demarcation in 2050 indicates that 100% of all-purpose power is provided by WWS technologies by 2050, and the power demand by that time has decreased. In the WWS scenario, 80% conversion occurs by 2030.
http//dx.doi.org/10.1016/j.joule.2017.07.005#mmc2

In this first part of a 3-part series, I examine hydropower and geothermal energy as options to power a clean energy grid.
Support me on Patreon!
http://www.patreon.com/answerswithjoe
Follow me at all my places!
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Facebook: http://www.facebook.com/answerswithjoe
Twitter: https://www.twitter.com/answerswithjoe
Website: www.answerswithjoe.com
================
LINKS LINKS LINKS
Global consumption of electricity and how its generated:
https://yearbook.enerdata.net/electricity/electricity-domestic-consumption-data.htmlGeothermal efficiency:
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdfReport on renewables providing base load energy:
https://www.skepticals...

Renewable Energy 101 | National Geographic

There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-gro...

There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world—and how we can use it to combat climate change.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
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Select footage courtesy NASA
https://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11056
Renewable Energy101 | National Geographic
https://youtu.be/1kUE0BZtTRc
National Geographic
https://www.youtube.com/natgeo

There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world—and how we can use it to combat climate change.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Select footage courtesy NASA
https://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11056
Renewable Energy101 | National Geographic
https://youtu.be/1kUE0BZtTRc
National Geographic
https://www.youtube.com/natgeo

Jennifer Hudson, Pixie Lott, Luan Santana, Yemi Alade and Monali Thakur celebrate five cleaner energy initiatives in On Top of the World. Join us, because access to energy can help change lives.
This is the official YouTube channel of Shell, a worldwide leader in the oil and gas industry. Our aim is to meet the energy needs of society in ways that are economically, socially and environmentally viable, now and in the future. We believe that oil and gas will remain a vital part of the global energy mix for many decades to come. Our role is to ensure that we extract and deliver these energy resources profitably and in environmentally and socially responsible ways.
Watch our technological and educational videos to gain a better understanding of how we do this. Our videos cover topics such as innovation, jobs and careers, investor relations information, motorsports, the Shell Eco-marathon, engineering and our top products such as Shell V-Power.
Visit our Website: http://www.shell.com/
Like us on Facebook: https://www.facebook.com/Shell/
Follow us on Instagram: https://www.instagram.com/shell/
Follow us on Twitter: https://twitter.com/shell
Look us up on Flickr: http://www.flickr.com/photos/royaldutchshell
Linkedin: https://www.linkedin.com/company-beta/1271/

Jennifer Hudson, Pixie Lott, Luan Santana, Yemi Alade and Monali Thakur celebrate five cleaner energy initiatives in On Top of the World. Join us, because access to energy can help change lives.
This is the official YouTube channel of Shell, a worldwide leader in the oil and gas industry. Our aim is to meet the energy needs of society in ways that are economically, socially and environmentally viable, now and in the future. We believe that oil and gas will remain a vital part of the global energy mix for many decades to come. Our role is to ensure that we extract and deliver these energy resources profitably and in environmentally and socially responsible ways.
Watch our technological and educational videos to gain a better understanding of how we do this. Our videos cover topics such as innovation, jobs and careers, investor relations information, motorsports, the Shell Eco-marathon, engineering and our top products such as Shell V-Power.
Visit our Website: http://www.shell.com/
Like us on Facebook: https://www.facebook.com/Shell/
Follow us on Instagram: https://www.instagram.com/shell/
Follow us on Twitter: https://twitter.com/shell
Look us up on Flickr: http://www.flickr.com/photos/royaldutchshell
Linkedin: https://www.linkedin.com/company-beta/1271/

Watch the full episode: http://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In this video, Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O'Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
Watch the new season of Ask This Old House: http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
Find the TV schedule for air times in your area: http://www.thisoldhouse.com/toh/info/0,,20058777,00.html
Click here to SUBSCRIBE to the official This Old HouseYouTube channel: http://www.youtube.com/subscription_center?add_user=thisoldhouse
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G+: https://plus.google.com/+thisoldhouse/posts
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Tumblr: http://thisoldhouse.tumblr.com/

Watch the full episode: http://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In this video, Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O'Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
Watch the new season of Ask This Old House: http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
Find the TV schedule for air times in your area: http://www.thisoldhouse.com/toh/info/0,,20058777,00.html
Click here to SUBSCRIBE to the official This Old HouseYouTube channel: http://www.youtube.com/subscription_center?add_user=thisoldhouse
Follow This Old House and Ask This Old House:
Facebook: https://www.facebook.com/ThisOldHouse
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G+: https://plus.google.com/+thisoldhouse/posts
Instagram: http://instagram.com/thisoldhouse
Tumblr: http://thisoldhouse.tumblr.com/

Energy 101: Geothermal Energy

See how we can generate clean, renewable energy from hot water sources deep beneath the Earth's surface. The video highlights the basic principles at work in ge...

See how we can generate clean, renewable energy from hot water sources deep beneath the Earth's surface. The video highlights the basic principles at work in geothermal energy production, and illustrates three different ways the Earth's heat can be converted into electricity.
Transcript:
http://energy.gov/eere/videos/energy-101-geothermal-energy
---
Subscribe to Energy for regular content: http://goo.gl/Ga5lP
Like Energy on Facebook: https://www.facebook.com/energygov
Follow Energy on Twitter: https://twitter.com/ENERGY

See how we can generate clean, renewable energy from hot water sources deep beneath the Earth's surface. The video highlights the basic principles at work in geothermal energy production, and illustrates three different ways the Earth's heat can be converted into electricity.
Transcript:
http://energy.gov/eere/videos/energy-101-geothermal-energy
---
Subscribe to Energy for regular content: http://goo.gl/Ga5lP
Like Energy on Facebook: https://www.facebook.com/energygov
Follow Energy on Twitter: https://twitter.com/ENERGY

Get more info here about the research conducted in the Sustainable Energy Planning Group at Aalborg University:
http://www.EnergyPLAN.eu
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SmartEnergySystems: 100% Renewable Energy at a NationalLevel (Full Version)
Denmark has decided to become independent from fossil fuels. For the sake of the climate, the economy, and in order to ensure security of energy supply. This film shows how this will happen based on research conducted at Aalborg University (http://www.smartenergysystems.eu).
At present wind and solar energy already delivers a good share of Denmark's energy, but renewable energy is a major challenge for an energy system that is built upon fossil fuels. Energy production from wind and solar fluctuates - it fluctuates as the wind blows. So what renewables are reliable when there is no sun or wind energy available?
Another challenge is the transport sector. How do we create an energy system of renewable energy, where also cars, ships and planes can operate on fossil-free energy? A great example of an energy system that will ensure Denmark a 100% renewable energy system is called: Smart Energy Systems - a coherent, fossil-free energy system that will create lots of new jobs and green energy for the Danes, both in terms of electricity, heat and transport.
Production courtesy of:
http://www.webwall.tv/blueplanetinnovation
http://www.blueplanetinnovation.dk

Get more info here about the research conducted in the Sustainable Energy Planning Group at Aalborg University:
http://www.EnergyPLAN.eu
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SmartEnergySystems: 100% Renewable Energy at a NationalLevel (Full Version)
Denmark has decided to become independent from fossil fuels. For the sake of the climate, the economy, and in order to ensure security of energy supply. This film shows how this will happen based on research conducted at Aalborg University (http://www.smartenergysystems.eu).
At present wind and solar energy already delivers a good share of Denmark's energy, but renewable energy is a major challenge for an energy system that is built upon fossil fuels. Energy production from wind and solar fluctuates - it fluctuates as the wind blows. So what renewables are reliable when there is no sun or wind energy available?
Another challenge is the transport sector. How do we create an energy system of renewable energy, where also cars, ships and planes can operate on fossil-free energy? A great example of an energy system that will ensure Denmark a 100% renewable energy system is called: Smart Energy Systems - a coherent, fossil-free energy system that will create lots of new jobs and green energy for the Danes, both in terms of electricity, heat and transport.
Production courtesy of:
http://www.webwall.tv/blueplanetinnovation
http://www.blueplanetinnovation.dk

Thermoelectric tube from Panasonic harnesses thermal energy in hot water pipes for clean, renewable energy. Featuring a simple structure, in the future it could be used in factories to generate electricity from waste heat.
(http://www.diginfo.tv/v/12-0224-r-en.php)
20/12/2012
Panasonic
Thermoelectric Tubes
DigInfo TV - http://www.diginfo.tv

Thermoelectric tube from Panasonic harnesses thermal energy in hot water pipes for clean, renewable energy. Featuring a simple structure, in the future it could be used in factories to generate electricity from waste heat.
(http://www.diginfo.tv/v/12-0224-r-en.php)
20/12/2012
Panasonic
Thermoelectric Tubes
DigInfo TV - http://www.diginfo.tv

Can We Rely on Wind and Solar Energy?

Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclea...

Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclear energy, and even coal for our energy needs and environmental obligations? Alex Epstein of the Center for IndustrialProgress explains.
Donate today to PragerU! http://l.prageru.com/2ylo1Yt
Joining PragerU is free! Sign up now to get all our videos as soon as they're released. http://prageru.com/signup
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Script:
Are wind and solar power the answer to our energy needs? There’s a lot of sun and a lot of wind. They’re free. They’re clean. No CO2 emissions. So, what’s the problem?
Why do solar and wind combined provide less than 2% of the world’s energy?
To answer these questions, we need to understand what makes energy, or anything else for that matter, cheap and plentiful.
For something to be cheap and plentiful, every part of the process to produce it, including every input that goes into it, must be cheap and plentiful.
Yes, the sun is free. Yes, wind is free. But the process of turning sunlight and wind into useable energy on a mass scale is far from free. In fact, compared to the other sources of energy -- fossil fuels, nuclear power, and hydroelectric power, solar and wind power are very expensive.
The basic problem is that sunlight and wind as energy sources are both weak (the more technical term is dilute) and unreliable (the more technical term is intermittent). It takes a lot of resources to collect and concentrate them, and even more resources to make them available on-demand. These are called the diluteness problem and the intermittency problem.
The diluteness problem is that, unlike coal or oil, the sun and the wind don’t deliver concentrated energy -- which means you need a lot of additional materials to produce a unit of energy.
For solar power, such materials can include highly purified silicon, phosphorus, boron, and a dozen other complex compounds like titanium dioxide. All these materials have to be mined, refined and/or manufactured in order to make solar panels. Those industrial processes take a lot of energy.
For wind, needed materials include high-performance compounds for turbine blades and the rare-earth metal neodymium for lightweight, specialty magnets, as well as the steel and concrete necessary to build structures -- thousands of them -- as tall as skyscrapers.
And as big a problem as diluteness is, it’s nothing compared to the intermittency problem. This isn’t exactly a news flash, but the sun doesn’t shine all the time. And the wind doesn’t blow all the time. The only way for solar and wind to be truly useful would be if we could store them so that they would be available when we needed them. You can store oil in a tank. Where do you store solar or wind energy? No such mass-storage system exists. Which is why, in the entire world, there is not one real or proposed independent, freestanding solar or wind power plant. All of them require backup. And guess what the go-to back-up is: fossil fuel.
Here’s what solar and wind electricity look like in Germany, which is the world’s leader in “renewables”. The word erratic leaps to mind. Wind is constantly varying, sometimes disappearing completely. And solar produces little in the winter months when Germany most needs energy.
For the complete script, visit https://www.prageru.com/videos/can-we-rely-wind-and-solar-energy

Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclear energy, and even coal for our energy needs and environmental obligations? Alex Epstein of the Center for IndustrialProgress explains.
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Script:
Are wind and solar power the answer to our energy needs? There’s a lot of sun and a lot of wind. They’re free. They’re clean. No CO2 emissions. So, what’s the problem?
Why do solar and wind combined provide less than 2% of the world’s energy?
To answer these questions, we need to understand what makes energy, or anything else for that matter, cheap and plentiful.
For something to be cheap and plentiful, every part of the process to produce it, including every input that goes into it, must be cheap and plentiful.
Yes, the sun is free. Yes, wind is free. But the process of turning sunlight and wind into useable energy on a mass scale is far from free. In fact, compared to the other sources of energy -- fossil fuels, nuclear power, and hydroelectric power, solar and wind power are very expensive.
The basic problem is that sunlight and wind as energy sources are both weak (the more technical term is dilute) and unreliable (the more technical term is intermittent). It takes a lot of resources to collect and concentrate them, and even more resources to make them available on-demand. These are called the diluteness problem and the intermittency problem.
The diluteness problem is that, unlike coal or oil, the sun and the wind don’t deliver concentrated energy -- which means you need a lot of additional materials to produce a unit of energy.
For solar power, such materials can include highly purified silicon, phosphorus, boron, and a dozen other complex compounds like titanium dioxide. All these materials have to be mined, refined and/or manufactured in order to make solar panels. Those industrial processes take a lot of energy.
For wind, needed materials include high-performance compounds for turbine blades and the rare-earth metal neodymium for lightweight, specialty magnets, as well as the steel and concrete necessary to build structures -- thousands of them -- as tall as skyscrapers.
And as big a problem as diluteness is, it’s nothing compared to the intermittency problem. This isn’t exactly a news flash, but the sun doesn’t shine all the time. And the wind doesn’t blow all the time. The only way for solar and wind to be truly useful would be if we could store them so that they would be available when we needed them. You can store oil in a tank. Where do you store solar or wind energy? No such mass-storage system exists. Which is why, in the entire world, there is not one real or proposed independent, freestanding solar or wind power plant. All of them require backup. And guess what the go-to back-up is: fossil fuel.
Here’s what solar and wind electricity look like in Germany, which is the world’s leader in “renewables”. The word erratic leaps to mind. Wind is constantly varying, sometimes disappearing completely. And solar produces little in the winter months when Germany most needs energy.
For the complete script, visit https://www.prageru.com/videos/can-we-rely-wind-and-solar-energy

Nuclear energy is a cheap and relatively clean source of energy for the planet, but lately it has been mired in controversy. Solar energy is often brought up as...

Nuclear energy is a cheap and relatively clean source of energy for the planet, but lately it has been mired in controversy. Solar energy is often brought up as alternative resource, but is it really better than nuclear energy? Which is better for the planet? Let’s find out in this battle of Nuclear Energy vs Solar Energy!
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Nuclear energy is a cheap and relatively clean source of energy for the planet, but lately it has been mired in controversy. Solar energy is often brought up as alternative resource, but is it really better than nuclear energy? Which is better for the planet? Let’s find out in this battle of Nuclear Energy vs Solar Energy!
SUBSCRIBE TO OUR CHANNEL —► http://bit.ly/2glTFyc
Patreon..........► https://www.patreon.com/user?u=861446
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Subreddit.......► http://reddit.com/r/TheInfographicsShow
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Our channel —► http://www.youtube.com/user/TheInfographicsShow/
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Help us caption & translate this video!
http://amara.org/v/2lfi/

Alternative Energy | National Geographic

A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.
➡ Subscribe: http://bit.ly/NatGeoSubsc...

A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Alternative Energy | National Geographic
https://youtu.be/oIU5fFmDeSc
National Geographic
https://www.youtube.com/natgeo

A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Alternative Energy | National Geographic
https://youtu.be/oIU5fFmDeSc
National Geographic
https://www.youtube.com/natgeo

In this video we meet Casey & Natasha, a conscious couple who built a passive solar home near Ottawa, Ontario, Canada. In addition to orienting their house to face south, they installed overhangs that block the sun to keep it cool during summer months and allow the sun to enter and heat the house during winter months. They also installed a 10 kW solar system that sells clean electricity back to the grid through Ontario's MicroFIT Program and the revenue helps cover their own utility bills.
The house was built to Passive House standards and is currently pending certification. You can learn more about Passive House here:
http://www.passivehouse.ca/fundamentals/
The exterior walls of this house are 20" thick and are insulated using Roxul insulation which is made locally, better for the environment, can get wet, and has less flame retardants than traditional fiberglass insulation, which means cleaner air quality in the home.
To maximize the energy efficiency of their home, they installed triple glazed windows, a drain water heat recovery system, an air source heat pump water heater, and a bioethanol fireplace. They also chose sustainable alternatives like concrete countertops instead of granite, and reclaimed pine flooring instead of using new wood. Last but not least, they designed their house to be completely fossil fuel-free which means that they don't use any fossil fuels to power or heat their home.
Casey & Natasha are building a conscious group of companies to align their work life with their personal values. Their companies include The ConsciousBuilder, the Conscious Living podcast and the Conscious Store (coming soon!).
http://cgreyconstruction.com
http://caseyplusnatasha.com
Thanks for watching!
Mat & Danielle
-----------------------------------------------------------------------------------------
Stay in Touch!
-----------------------------------------------------------------------------------------
Blog: www.exploringalternatives.ca
Facebook: /exploringalternativesblog
Instagram: @exploringalternatives
Music & SongCredits:
All music in this video was composed, performed, and recorded by Mat Dubé of Exploring Alternatives.

In this video we meet Casey & Natasha, a conscious couple who built a passive solar home near Ottawa, Ontario, Canada. In addition to orienting their house to face south, they installed overhangs that block the sun to keep it cool during summer months and allow the sun to enter and heat the house during winter months. They also installed a 10 kW solar system that sells clean electricity back to the grid through Ontario's MicroFIT Program and the revenue helps cover their own utility bills.
The house was built to Passive House standards and is currently pending certification. You can learn more about Passive House here:
http://www.passivehouse.ca/fundamentals/
The exterior walls of this house are 20" thick and are insulated using Roxul insulation which is made locally, better for the environment, can get wet, and has less flame retardants than traditional fiberglass insulation, which means cleaner air quality in the home.
To maximize the energy efficiency of their home, they installed triple glazed windows, a drain water heat recovery system, an air source heat pump water heater, and a bioethanol fireplace. They also chose sustainable alternatives like concrete countertops instead of granite, and reclaimed pine flooring instead of using new wood. Last but not least, they designed their house to be completely fossil fuel-free which means that they don't use any fossil fuels to power or heat their home.
Casey & Natasha are building a conscious group of companies to align their work life with their personal values. Their companies include The ConsciousBuilder, the Conscious Living podcast and the Conscious Store (coming soon!).
http://cgreyconstruction.com
http://caseyplusnatasha.com
Thanks for watching!
Mat & Danielle
-----------------------------------------------------------------------------------------
Stay in Touch!
-----------------------------------------------------------------------------------------
Blog: www.exploringalternatives.ca
Facebook: /exploringalternativesblog
Instagram: @exploringalternatives
Music & SongCredits:
All music in this video was composed, performed, and recorded by Mat Dubé of Exploring Alternatives.

Figure360: an author presentation of Figure 2
Time-Dependent Changes in 139-Country-Summed, Annually Averaged End-Use PowerDemand for All Purposes (Electricity, Transportation, Heating/Cooling, Industry, Agriculture/Fishing/Forestry, and Other) and EnergySupply in the BAU (Conventional Fuels) Case and as Proposed Here in the WWS Case
Total power demand decreases upon converting to WWS. The percentages next to each WWS source are the final (2050) estimated percent supply of end-use power by the source. The 100% demarcation in 2050 indicates that 100% of all-purpose power is provided by WWS technologies by 2050, and the power demand by that time has decreased. In the WWS scenario, 80% conversion occurs by 2030.
http//dx.doi.org/10.1016/j.joule.2017.07.005#mmc2

Figure360: an author presentation of Figure 2
Time-Dependent Changes in 139-Country-Summed, Annually Averaged End-Use PowerDemand for All Purposes (Electricity, Transportation, Heating/Cooling, Industry, Agriculture/Fishing/Forestry, and Other) and EnergySupply in the BAU (Conventional Fuels) Case and as Proposed Here in the WWS Case
Total power demand decreases upon converting to WWS. The percentages next to each WWS source are the final (2050) estimated percent supply of end-use power by the source. The 100% demarcation in 2050 indicates that 100% of all-purpose power is provided by WWS technologies by 2050, and the power demand by that time has decreased. In the WWS scenario, 80% conversion occurs by 2030.
http//dx.doi.org/10.1016/j.joule.2017.07.005#mmc2

In this first part of a 3-part series, I examine hydropower and geothermal energy as options to power a clean energy grid.
Support me on Patreon!
http://www.pa...

In this first part of a 3-part series, I examine hydropower and geothermal energy as options to power a clean energy grid.
Support me on Patreon!
http://www.patreon.com/answerswithjoe
Follow me at all my places!
Instagram: https://instagram.com/answerswithjoe
Snapchat: https://www.snapchat.com/add/answerswithjoe
Facebook: http://www.facebook.com/answerswithjoe
Twitter: https://www.twitter.com/answerswithjoe
Website: www.answerswithjoe.com
================
LINKS LINKS LINKS
Global consumption of electricity and how its generated:
https://yearbook.enerdata.net/electricity/electricity-domestic-consumption-data.htmlGeothermal efficiency:
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdfReport on renewables providing base load energy:
https://www.skepticalscience.com/print.php?r=374
================
TRANSCRIPT:
Hydroelectric is the use of moving water to turn turbines that generate electricity, usually through the building of dams or pump stations on rivers.
And hydroelectricity is the king of renewable energy, making up 70% of the renewable energy produced around the world. And for good reason.
They’re kind-of the perfect energy source. It’s stable, base-load energy that’s flexible. If you need more electricity, just release more water into the turbines.
They’re cheap to run and maintain once they’re built and they’re 95% efficient at generating energy, compared to 33% for coal and 15% for solar.
And of course they create no pollutants, consume no fuel, and the water never stops flowing.
The Three Gorges Dam in China is actually the largest energy plant of any kind in the world and generates just under a hundred terawatt hours per year all by itself.
So, hydro is kinda perfect. The problem is, it’s location-specific.
If you don’t live by a large river, you’re not going to be able to use it. Luckily, most cities were built near rivers, but not all rivers are large and powerful enough to make enough difference to justify the cost of building them.
Which is also a problem. While they produce free energy for decades and even centuries after they’re built, hydroelectric dams are huge engineering projects that cost tons of money up front.
(By the way, the whole ‘expensive at first but then free for decades’ thing is a common theme amongst renewable energies)
They also create reservoirs and lakes that flood a lot of land whose landowners may not want to give up.
There are some concerns about the disruption of fish habitats, but… that’s not at the top if my list of concerns.
So each hydroelectric plant is a birds nest of legal and construction challenges to overcome but even so, the number of hydropower plants are expected to double by 2050.
Another base load energy source is geothermal energy.
Geothermal uses the heat from natural geologic hotspots to turn turbines that generate electricity.
Iceland and the Philippines are major producers of geothermal power, which can be used in huge commercial plants to power entire cities or just pump the heat directly into homes for heating.
It’s a consistent flow of energy so it never runs out, but the efficiency isn’t great. Only an average of 12% efficiency.
Which really just means it will take longer for the investment to build it to pay off because once it’s turned on, it’s just free energy basically. And the efficiency is getting better, with newer plants getting over 20%.
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdf
Even in Iceland, which is covered in hotspots and has a very progressive attitude toward clean energy, it only accounts for 30% of their energy production.
So it’s not likely to become a major source of energy worldwide
And as if all that wasn’t enough of a bummer, it also turns out that geothermal can produce greenhouse gasses.
Geologic hotspots churn up all kinds of stuff from inside the Earth, stuff like sulfur dioxide and silica emissions, and heavy metals like mercury, arsenic and boron.
These can get in the reservoirs and eventually the water supply.
Oh, and by the way, one of the methods they use to open up geothermal wells is hydraulic fracking. Yeah. That hydraulic fracking.
Let’s drill down and inject extremely high pressure water and other chemicals… Right over a volcano.
What could go wrong?
Earthquakes. That’s what.
Just like fracking for natural gas has caused earthquakes in Oklahoma...
(zoom in)
Earthquakes. In Oklahoma.
A geothermal well that was drilled in Switzerland set off an earthquake that measured a 3.4 on the Richter scale.
(pained)
Geothermal… Why do you hurt me so?
I used to think geothermal was really cool. Used to.
So am I wrong about this? Do you have experience using geothermal, or working in hydro plants? Are my numbers garbage? Let me know in the comments
The next video in this series will focus on biomass energy and harnessing the motion of the ocean to make power.

In this first part of a 3-part series, I examine hydropower and geothermal energy as options to power a clean energy grid.
Support me on Patreon!
http://www.patreon.com/answerswithjoe
Follow me at all my places!
Instagram: https://instagram.com/answerswithjoe
Snapchat: https://www.snapchat.com/add/answerswithjoe
Facebook: http://www.facebook.com/answerswithjoe
Twitter: https://www.twitter.com/answerswithjoe
Website: www.answerswithjoe.com
================
LINKS LINKS LINKS
Global consumption of electricity and how its generated:
https://yearbook.enerdata.net/electricity/electricity-domestic-consumption-data.htmlGeothermal efficiency:
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdfReport on renewables providing base load energy:
https://www.skepticalscience.com/print.php?r=374
================
TRANSCRIPT:
Hydroelectric is the use of moving water to turn turbines that generate electricity, usually through the building of dams or pump stations on rivers.
And hydroelectricity is the king of renewable energy, making up 70% of the renewable energy produced around the world. And for good reason.
They’re kind-of the perfect energy source. It’s stable, base-load energy that’s flexible. If you need more electricity, just release more water into the turbines.
They’re cheap to run and maintain once they’re built and they’re 95% efficient at generating energy, compared to 33% for coal and 15% for solar.
And of course they create no pollutants, consume no fuel, and the water never stops flowing.
The Three Gorges Dam in China is actually the largest energy plant of any kind in the world and generates just under a hundred terawatt hours per year all by itself.
So, hydro is kinda perfect. The problem is, it’s location-specific.
If you don’t live by a large river, you’re not going to be able to use it. Luckily, most cities were built near rivers, but not all rivers are large and powerful enough to make enough difference to justify the cost of building them.
Which is also a problem. While they produce free energy for decades and even centuries after they’re built, hydroelectric dams are huge engineering projects that cost tons of money up front.
(By the way, the whole ‘expensive at first but then free for decades’ thing is a common theme amongst renewable energies)
They also create reservoirs and lakes that flood a lot of land whose landowners may not want to give up.
There are some concerns about the disruption of fish habitats, but… that’s not at the top if my list of concerns.
So each hydroelectric plant is a birds nest of legal and construction challenges to overcome but even so, the number of hydropower plants are expected to double by 2050.
Another base load energy source is geothermal energy.
Geothermal uses the heat from natural geologic hotspots to turn turbines that generate electricity.
Iceland and the Philippines are major producers of geothermal power, which can be used in huge commercial plants to power entire cities or just pump the heat directly into homes for heating.
It’s a consistent flow of energy so it never runs out, but the efficiency isn’t great. Only an average of 12% efficiency.
Which really just means it will take longer for the investment to build it to pay off because once it’s turned on, it’s just free energy basically. And the efficiency is getting better, with newer plants getting over 20%.
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdf
Even in Iceland, which is covered in hotspots and has a very progressive attitude toward clean energy, it only accounts for 30% of their energy production.
So it’s not likely to become a major source of energy worldwide
And as if all that wasn’t enough of a bummer, it also turns out that geothermal can produce greenhouse gasses.
Geologic hotspots churn up all kinds of stuff from inside the Earth, stuff like sulfur dioxide and silica emissions, and heavy metals like mercury, arsenic and boron.
These can get in the reservoirs and eventually the water supply.
Oh, and by the way, one of the methods they use to open up geothermal wells is hydraulic fracking. Yeah. That hydraulic fracking.
Let’s drill down and inject extremely high pressure water and other chemicals… Right over a volcano.
What could go wrong?
Earthquakes. That’s what.
Just like fracking for natural gas has caused earthquakes in Oklahoma...
(zoom in)
Earthquakes. In Oklahoma.
A geothermal well that was drilled in Switzerland set off an earthquake that measured a 3.4 on the Richter scale.
(pained)
Geothermal… Why do you hurt me so?
I used to think geothermal was really cool. Used to.
So am I wrong about this? Do you have experience using geothermal, or working in hydro plants? Are my numbers garbage? Let me know in the comments
The next video in this series will focus on biomass energy and harnessing the motion of the ocean to make power.

Smart Energy Europe: a 100% Renewable Energy Scenario for the European Union

This study presents one scenario for a 100% renewable energy system in Europe by the year 2050. The transition from a business-as-usual situation in 2050, to a 100% renewable energy Europe is analysed in a series of steps. Each step reflects one major technological change. For each step, the impact is presented in terms of energy (primary energy supply), environment (carbon dioxide emissions), and economy (total annual socio-economic cost). The steps are ordered in terms of their scientific and political certainty as follows: decommissioning nuclear power, implementing a large amount of heat savings, converting the private car fleet to electricity, providing heat in rural areas with heat pumps, providing heat in urban areas with district heating, converting fuel in heavy-duty vehicles to s...

published: 07 Oct 2016

Public Lecture | Paint-On Solar Cells: How the Magic Happens

Solar power is a clean and renewable source of energy, but it has struggled to compete with fossil fuels on cost. Most solar cells, which absorb sunlight and produce electrical energy, are built from silicon. SLAC’s Kevin Stone is exploring a new class of materials for solar cells. Like silicon, these materials are crystals; but unlike silicon, they are formed by gently heating and drying from solution at low temperatures. In essence, they can be painted on, either on light, flexible backing or on conventional silicon cells as a way to improve the silicon cell’s efficiency. These crystals have a complex structure that seems to organize itself spontaneously as the solution is converted to a solid. Using advanced tools at the Stanford Synchrotron Radiation Lightsource, Stone has been able to...

published: 29 Nov 2017

How to cheaply and comfortably heat your home with renewable energy

How to cheaply and comfortably heat your home with renewable energy
Tim Forcey presents how your home, business or institution can Save money and be part of the fuel-switching revolution!
As has been widely reported in The AGE and elsewhere, Tim'sUniversity of Melbourne research found that switching from gas could create huge money saving opportunities for home owners, renters, and even small businesses. A large Victoria household could be saving up to $658 a year, simply by turning on existing reverse-cycle air conditioners for winter heating.
The research is particularly relevant as the Victorian government decides whether or not to open up the state to broad-scale unconventional gas mining.
The humble air conditioner may well be the disruptive technology, sitting under our nose, that c...

The United Nations predicts the world’s population will surpass 10 billion by 2030. It’s a sobering reality that will undoubtedly put a significant stress on the planet’s natural resources. This has brought clean technology to the forefront, making it Canada’s fastest-growing sector and galvanizing researchers like MajidBahrami to create new solutions for a planet in flux. This lecture provides an overview of Dr. Bahrami’s research on developing novel clean technologies—powered by waste heat, or solar and geothermal energy sources that provide drinkable water, air conditioning and energy storage.
Dr. Majid Bahrami is a professor in SFU’s School of Mechatronic Systems Engineering, founder of the Laboratory of Alternative EnergyConversion, and a Canada Research Chair in Alternative Energy...

published: 18 Oct 2016

How To Make Renewable Energy At Home -Easy Ways to Power Your Home With Renewable Energy

How To Make Renewable EnergyAt Home -Easy Ways to Power Your Home With Renewable Energy http://bit.ly/2y6KXeb
How To Make Renewable Energy At Hom
Hello and thank you for visiting our website. A variety of amazing product are offered by us and among them come how to make renewable energy at home in the country, which is available at the affordable prices listed below the page. http://bit.ly/2y6KXeb
Efficiency and performance along with different types of accessibility has made how to make green energy in the home as well as around the world.
How To Make Renewable Energy and Green , In The Home We provide is to praise these features with a guide that is inside the package. our expert has comfirm how to make green energy in the home to have easy to understand thing on how to make gr...

published: 13 Sep 2017

Webinar: Renewable district heating – Small local grids and cooperative utilities

District heating based on local renewable energy sources is becoming more and more an appealing solution for small communities in search of energy independence and of a stable price for their thermal energy supply. Such solutions often foresee a strong and direct involvement of the customers who could even own, at the same time, their heating grid by constituting a cooperative company to run the business.
Examples of such district heating approach, already quite common in Denmark and Germany, are now spreading quickly around Europe. The webinar will present the most exciting, recent and inspiring stories to show how consumers can take the lead in the transition towards a clean and sustainable future. Thank you to sponsor Savosolar (www.savosolar.com) for their support.

published: 26 Oct 2016

Limitless clean energy that can make petrolium fuels obsolete

Bill Mollison explains what a trompe is and how compressed air can provide limitless amounts of clean energy using technology we have had for hundreds of years.

Dan Chiras presents "FreeHeat for Life: Learn the Fundamentals of Affordable Passive Solar Design" about designing and improving passive solar designed homes. He details the good, the bad, and the ugly of designing great homes with passive solar. Very interesting for anyone interested in helping the environment, saving money, increasing their independence, or preparing for a lower-energy, post Peak Oil future.
Dan Chiras is an author of dozens of books including renewable energy and green building. He is a passive solar design consultant and a teacher at Colorado college. He lectures all around the country, and has lived in a renewable energy home for 30 years.
Local Future Network
Videographer/Editor: Aaron Wissner

This study presents one scenario for a 100% renewable energy system in Europe by the year 2050. The transition from a business-as-usual situation in 2050, to a 100% renewable energy Europe is analysed in a series of steps. Each step reflects one major technological change. For each step, the impact is presented in terms of energy (primary energy supply), environment (carbon dioxide emissions), and economy (total annual socio-economic cost). The steps are ordered in terms of their scientific and political certainty as follows: decommissioning nuclear power, implementing a large amount of heat savings, converting the private car fleet to electricity, providing heat in rural areas with heat pumps, providing heat in urban areas with district heating, converting fuel in heavy-duty vehicles to synthetic fuel, and replacing natural gas with synthetic methane. The results indicate that by using the SmartEnergySystem approach, a 100% renewable energy system in Europe is technically possible without consuming an unsustainable amount of bioenergy. This is due to the additional flexibility that is created by connecting the electricity, heating, cooling, and transport sectors together, which enables an intermittent renewable penetration of over 80% in the electricity sector. The cost of the Smart Energy Europe scenario is approximately 10-15% higher than a business-as-usual scenario, but since the final scenario is based on local investments instead of imported fuels, it will create approximately 10 million additional direct jobs within the EU.

This study presents one scenario for a 100% renewable energy system in Europe by the year 2050. The transition from a business-as-usual situation in 2050, to a 100% renewable energy Europe is analysed in a series of steps. Each step reflects one major technological change. For each step, the impact is presented in terms of energy (primary energy supply), environment (carbon dioxide emissions), and economy (total annual socio-economic cost). The steps are ordered in terms of their scientific and political certainty as follows: decommissioning nuclear power, implementing a large amount of heat savings, converting the private car fleet to electricity, providing heat in rural areas with heat pumps, providing heat in urban areas with district heating, converting fuel in heavy-duty vehicles to synthetic fuel, and replacing natural gas with synthetic methane. The results indicate that by using the SmartEnergySystem approach, a 100% renewable energy system in Europe is technically possible without consuming an unsustainable amount of bioenergy. This is due to the additional flexibility that is created by connecting the electricity, heating, cooling, and transport sectors together, which enables an intermittent renewable penetration of over 80% in the electricity sector. The cost of the Smart Energy Europe scenario is approximately 10-15% higher than a business-as-usual scenario, but since the final scenario is based on local investments instead of imported fuels, it will create approximately 10 million additional direct jobs within the EU.

Public Lecture | Paint-On Solar Cells: How the Magic Happens

Solar power is a clean and renewable source of energy, but it has struggled to compete with fossil fuels on cost. Most solar cells, which absorb sunlight and pr...

Solar power is a clean and renewable source of energy, but it has struggled to compete with fossil fuels on cost. Most solar cells, which absorb sunlight and produce electrical energy, are built from silicon. SLAC’s Kevin Stone is exploring a new class of materials for solar cells. Like silicon, these materials are crystals; but unlike silicon, they are formed by gently heating and drying from solution at low temperatures. In essence, they can be painted on, either on light, flexible backing or on conventional silicon cells as a way to improve the silicon cell’s efficiency. These crystals have a complex structure that seems to organize itself spontaneously as the solution is converted to a solid. Using advanced tools at the Stanford Synchrotron Radiation Lightsource, Stone has been able to watch these crystals assemble at the atomic level and gain clues to the forces that guide this process. By understanding this fascinating chemical mystery, scientists will also gain insights needed to design more effective and economical solar cells.
About the speaker:
Kevin Stone is a staff scientist at SLAC’s Stanford Synchrotron Radiation Lightsource. He studied physics at UC Berkeley and received his PhD in physics from Stony Brook University in 2009. His graduate research was conducted at the National Synchrotron Light Source at Brookhaven National Laboratory, where he worked on solving the structure of crystalline materials from powder diffraction data. After graduating, he worked as a postdoctoral researcher at Lawrence Berkeley National Laboratory studying materials using resonant soft X-ray scattering. In 2013 he moved to SLAC, where he uses X-ray scattering to study a number of energy-related materials and systems.

Solar power is a clean and renewable source of energy, but it has struggled to compete with fossil fuels on cost. Most solar cells, which absorb sunlight and produce electrical energy, are built from silicon. SLAC’s Kevin Stone is exploring a new class of materials for solar cells. Like silicon, these materials are crystals; but unlike silicon, they are formed by gently heating and drying from solution at low temperatures. In essence, they can be painted on, either on light, flexible backing or on conventional silicon cells as a way to improve the silicon cell’s efficiency. These crystals have a complex structure that seems to organize itself spontaneously as the solution is converted to a solid. Using advanced tools at the Stanford Synchrotron Radiation Lightsource, Stone has been able to watch these crystals assemble at the atomic level and gain clues to the forces that guide this process. By understanding this fascinating chemical mystery, scientists will also gain insights needed to design more effective and economical solar cells.
About the speaker:
Kevin Stone is a staff scientist at SLAC’s Stanford Synchrotron Radiation Lightsource. He studied physics at UC Berkeley and received his PhD in physics from Stony Brook University in 2009. His graduate research was conducted at the National Synchrotron Light Source at Brookhaven National Laboratory, where he worked on solving the structure of crystalline materials from powder diffraction data. After graduating, he worked as a postdoctoral researcher at Lawrence Berkeley National Laboratory studying materials using resonant soft X-ray scattering. In 2013 he moved to SLAC, where he uses X-ray scattering to study a number of energy-related materials and systems.

The United Nations predicts the world’s population will surpass 10 billion by 2030. It’s a sobering reality that will undoubtedly put a significant stress on th...

The United Nations predicts the world’s population will surpass 10 billion by 2030. It’s a sobering reality that will undoubtedly put a significant stress on the planet’s natural resources. This has brought clean technology to the forefront, making it Canada’s fastest-growing sector and galvanizing researchers like MajidBahrami to create new solutions for a planet in flux. This lecture provides an overview of Dr. Bahrami’s research on developing novel clean technologies—powered by waste heat, or solar and geothermal energy sources that provide drinkable water, air conditioning and energy storage.
Dr. Majid Bahrami is a professor in SFU’s School of Mechatronic Systems Engineering, founder of the Laboratory of Alternative EnergyConversion, and a Canada Research Chair in Alternative Energy Conversion Systems. His research group studies and develops clean and sustainable energy projects such as fuel cells, refrigeration, and microelectronics cooling technologies and earned the 2016 Canada Clean50 Award. His latest invention, the HybridAtmospheric Water Generator (HAWgen), harvests water from atmosphere and was a finalist in the BC TechnologyIndustryAssociation 2016 Technology Impact Award.

The United Nations predicts the world’s population will surpass 10 billion by 2030. It’s a sobering reality that will undoubtedly put a significant stress on the planet’s natural resources. This has brought clean technology to the forefront, making it Canada’s fastest-growing sector and galvanizing researchers like MajidBahrami to create new solutions for a planet in flux. This lecture provides an overview of Dr. Bahrami’s research on developing novel clean technologies—powered by waste heat, or solar and geothermal energy sources that provide drinkable water, air conditioning and energy storage.
Dr. Majid Bahrami is a professor in SFU’s School of Mechatronic Systems Engineering, founder of the Laboratory of Alternative EnergyConversion, and a Canada Research Chair in Alternative Energy Conversion Systems. His research group studies and develops clean and sustainable energy projects such as fuel cells, refrigeration, and microelectronics cooling technologies and earned the 2016 Canada Clean50 Award. His latest invention, the HybridAtmospheric Water Generator (HAWgen), harvests water from atmosphere and was a finalist in the BC TechnologyIndustryAssociation 2016 Technology Impact Award.

published:18 Oct 2016

views:155

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How To Make Renewable Energy At Home -Easy Ways to Power Your Home With Renewable Energy

How To Make Renewable EnergyAt Home -Easy Ways to Power Your Home With Renewable Energy http://bit.ly/2y6KXeb
How To Make Renewable Energy At Hom
Hello and thank you for visiting our website. A variety of amazing product are offered by us and among them come how to make renewable energy at home in the country, which is available at the affordable prices listed below the page. http://bit.ly/2y6KXeb
Efficiency and performance along with different types of accessibility has made how to make green energy in the home as well as around the world.
How To Make Renewable Energy and Green , In The Home We provide is to praise these features with a guide that is inside the package. our expert has comfirm how to make green energy in the home to have easy to understand thing on how to make green energy in the country. http://bit.ly/2y6KXeb
How To Make Renewable Energy At Home
Generate your own electricity at home -ways generate electricity
how to make green energy in the home legal and you would become an expert in the area when you hold the same.
Why is renewable energy important? Alternative Energy Home
Environmental Benefits At Home http://bit.ly/2y6KXeb
Renewable energy technologies are clean sources of energy that have a much lower environmental impact than conventional energy technologies.
Easy Ways to Power Your Home With Renewable Energy
Energy for our children's children
Renewable energy will not be exhausted. Never. Other sources of energy are finite and will be exhausted someday.
Easy Ways to Power Your Home With Renewable Energy
Jobs and Economics
Most investments in renewable energy are spent on materials and labor to build and maintain facilities, rather than on expensive energy imports. Investments in renewable energy are typically spent in the United States, often in the same state and often in the same city. This means that your energy dollars stay at home to create jobs and fuel the local economies, rather than going abroad.
Meanwhile, renewable energy technologies developed and built in the United States are sold overseas, fueling the US trade deficit.
Alternative Power Sources For ElectricityCan We Use HousePlans http://bit.ly/2y6KXeb
Energy Security
After oil supply disruptions in the early 1970s, our nation has increased its dependence on the supply of foreign oil rather than diminishing it. This greater dependence affects more than our national energy policy.
Importance of Renewable Energy Resources
Renewable energy is reliable and abundant and will be potentially very cheap once technology and infrastructure improves. It includes solar, wind, geothermal, hydroelectric and tidal power, as well as biofuels that are grown and harvested without fossil fuels. Non-renewable energy, such as coal and oil, requires expensive explorations and potentially dangerous mining and drilling, and will become more expensive as supplies decline and demand increases. Renewable energy only produces minimum levels of carbon emissions and thus helps to combat climate change caused by the use of fossil fuels.
Renewables Energy How? http://bit.ly/2y6KXeb
Renewable energy sources are so named because, apart from geothermal energies and tides, they are constantly replenished by sunlight. Unequal solar heating of the Earth's surface causes wind. Sunlight also feeds the water cycle, which is harnessed through hydroelectric power, including hydroelectric dams and less invasive systems that take advantage of ocean currents or currents. Biofuels are grown in sunlight. Geothermal energy is considered renewable because of the radioactive decay in the Earth's core, which is not expected to cool in the short term, it produces it. The gravitational pull of the sun and moon causes the tides.
Ways Generate Electricity and Renewable Energy At Home - Generate Your Own Electricity At Home and Power http://bit.ly/2y6KXeb
How To Make Renewable Energy At Home- https://youtu.be/U918gP8jB8E

How To Make Renewable EnergyAt Home -Easy Ways to Power Your Home With Renewable Energy http://bit.ly/2y6KXeb
How To Make Renewable Energy At Hom
Hello and thank you for visiting our website. A variety of amazing product are offered by us and among them come how to make renewable energy at home in the country, which is available at the affordable prices listed below the page. http://bit.ly/2y6KXeb
Efficiency and performance along with different types of accessibility has made how to make green energy in the home as well as around the world.
How To Make Renewable Energy and Green , In The Home We provide is to praise these features with a guide that is inside the package. our expert has comfirm how to make green energy in the home to have easy to understand thing on how to make green energy in the country. http://bit.ly/2y6KXeb
How To Make Renewable Energy At Home
Generate your own electricity at home -ways generate electricity
how to make green energy in the home legal and you would become an expert in the area when you hold the same.
Why is renewable energy important? Alternative Energy Home
Environmental Benefits At Home http://bit.ly/2y6KXeb
Renewable energy technologies are clean sources of energy that have a much lower environmental impact than conventional energy technologies.
Easy Ways to Power Your Home With Renewable Energy
Energy for our children's children
Renewable energy will not be exhausted. Never. Other sources of energy are finite and will be exhausted someday.
Easy Ways to Power Your Home With Renewable Energy
Jobs and Economics
Most investments in renewable energy are spent on materials and labor to build and maintain facilities, rather than on expensive energy imports. Investments in renewable energy are typically spent in the United States, often in the same state and often in the same city. This means that your energy dollars stay at home to create jobs and fuel the local economies, rather than going abroad.
Meanwhile, renewable energy technologies developed and built in the United States are sold overseas, fueling the US trade deficit.
Alternative Power Sources For ElectricityCan We Use HousePlans http://bit.ly/2y6KXeb
Energy Security
After oil supply disruptions in the early 1970s, our nation has increased its dependence on the supply of foreign oil rather than diminishing it. This greater dependence affects more than our national energy policy.
Importance of Renewable Energy Resources
Renewable energy is reliable and abundant and will be potentially very cheap once technology and infrastructure improves. It includes solar, wind, geothermal, hydroelectric and tidal power, as well as biofuels that are grown and harvested without fossil fuels. Non-renewable energy, such as coal and oil, requires expensive explorations and potentially dangerous mining and drilling, and will become more expensive as supplies decline and demand increases. Renewable energy only produces minimum levels of carbon emissions and thus helps to combat climate change caused by the use of fossil fuels.
Renewables Energy How? http://bit.ly/2y6KXeb
Renewable energy sources are so named because, apart from geothermal energies and tides, they are constantly replenished by sunlight. Unequal solar heating of the Earth's surface causes wind. Sunlight also feeds the water cycle, which is harnessed through hydroelectric power, including hydroelectric dams and less invasive systems that take advantage of ocean currents or currents. Biofuels are grown in sunlight. Geothermal energy is considered renewable because of the radioactive decay in the Earth's core, which is not expected to cool in the short term, it produces it. The gravitational pull of the sun and moon causes the tides.
Ways Generate Electricity and Renewable Energy At Home - Generate Your Own Electricity At Home and Power http://bit.ly/2y6KXeb
How To Make Renewable Energy At Home- https://youtu.be/U918gP8jB8E

published:13 Sep 2017

views:405

back

Webinar: Renewable district heating – Small local grids and cooperative utilities

District heating based on local renewable energy sources is becoming more and more an appealing solution for small communities in search of energy independence ...

District heating based on local renewable energy sources is becoming more and more an appealing solution for small communities in search of energy independence and of a stable price for their thermal energy supply. Such solutions often foresee a strong and direct involvement of the customers who could even own, at the same time, their heating grid by constituting a cooperative company to run the business.
Examples of such district heating approach, already quite common in Denmark and Germany, are now spreading quickly around Europe. The webinar will present the most exciting, recent and inspiring stories to show how consumers can take the lead in the transition towards a clean and sustainable future. Thank you to sponsor Savosolar (www.savosolar.com) for their support.

District heating based on local renewable energy sources is becoming more and more an appealing solution for small communities in search of energy independence and of a stable price for their thermal energy supply. Such solutions often foresee a strong and direct involvement of the customers who could even own, at the same time, their heating grid by constituting a cooperative company to run the business.
Examples of such district heating approach, already quite common in Denmark and Germany, are now spreading quickly around Europe. The webinar will present the most exciting, recent and inspiring stories to show how consumers can take the lead in the transition towards a clean and sustainable future. Thank you to sponsor Savosolar (www.savosolar.com) for their support.

[BBC TechnologyDocumentary] Renewable Energy - NEWScience Documentary HD
Renewable energy is generally defined as energy that comes from resources which are naturally replenished on a human timescale such as sunlight, wind, rain, tides, waves and geothermal heat.[2] Renewable energy replaces conventional fuels in four distinct areas: electricity generation, hot water/space heating, motor fuels, and rural (off-grid) energy services.[3]
Based on REN21's 2014 report, renewables contributed 19 percent to our energy consumption and 22 percent to our electricity generation in 2012 and 2013, respectively. Both, modern renewables, such as hydro, wind, solar and biofuels, as well as traditional biomass, contributed in about equal parts to the global energy supply. Worldwide investments in renewable technologies amounted to more than US$214 billion in 2013, with countries like China and the United States heavily investing in wind, hydro, solar and biofuels.[4]
Renewable energy resources exist over wide geographical areas, in contrast to other energy sources, which are concentrated in a limited number of countries. Rapid deployment of renewable energy and energy efficiency is resulting in significant energy security, climate change mitigation, and economic benefits.[5] In international public opinion surveys there is strong support for promoting renewable sources such as solar power and wind power.[6] At the national level, at least 30 nations around the world already have renewable energy contributing more than 20 percent of energy supply. National renewable energy markets are projected to continue to grow strongly in the coming decade and beyond.[7]
While many renewable energy projects are large-scale, renewable technologies are also suited to rural and remote areas and developing countries, where energy is often crucial in human development.[8] United Nations' Secretary-GeneralBan Ki-moon has said that renewable energy has the ability to lift the poorest nations to new levels of prosperity
========================================wbr=
Watch more :http://goo.gl/MccsMM
*** *** *** ***
========================================wbr=
Thanks for WatchingPlease Like and Subscribe to watch more videos

[BBC TechnologyDocumentary] Renewable Energy - NEWScience Documentary HD
Renewable energy is generally defined as energy that comes from resources which are naturally replenished on a human timescale such as sunlight, wind, rain, tides, waves and geothermal heat.[2] Renewable energy replaces conventional fuels in four distinct areas: electricity generation, hot water/space heating, motor fuels, and rural (off-grid) energy services.[3]
Based on REN21's 2014 report, renewables contributed 19 percent to our energy consumption and 22 percent to our electricity generation in 2012 and 2013, respectively. Both, modern renewables, such as hydro, wind, solar and biofuels, as well as traditional biomass, contributed in about equal parts to the global energy supply. Worldwide investments in renewable technologies amounted to more than US$214 billion in 2013, with countries like China and the United States heavily investing in wind, hydro, solar and biofuels.[4]
Renewable energy resources exist over wide geographical areas, in contrast to other energy sources, which are concentrated in a limited number of countries. Rapid deployment of renewable energy and energy efficiency is resulting in significant energy security, climate change mitigation, and economic benefits.[5] In international public opinion surveys there is strong support for promoting renewable sources such as solar power and wind power.[6] At the national level, at least 30 nations around the world already have renewable energy contributing more than 20 percent of energy supply. National renewable energy markets are projected to continue to grow strongly in the coming decade and beyond.[7]
While many renewable energy projects are large-scale, renewable technologies are also suited to rural and remote areas and developing countries, where energy is often crucial in human development.[8] United Nations' Secretary-GeneralBan Ki-moon has said that renewable energy has the ability to lift the poorest nations to new levels of prosperity
========================================wbr=
Watch more :http://goo.gl/MccsMM
*** *** *** ***
========================================wbr=
Thanks for WatchingPlease Like and Subscribe to watch more videos

Dan Chiras presents "FreeHeat for Life: Learn the Fundamentals of Affordable Passive Solar Design" about designing and improving passive solar designed homes. He details the good, the bad, and the ugly of designing great homes with passive solar. Very interesting for anyone interested in helping the environment, saving money, increasing their independence, or preparing for a lower-energy, post Peak Oil future.
Dan Chiras is an author of dozens of books including renewable energy and green building. He is a passive solar design consultant and a teacher at Colorado college. He lectures all around the country, and has lived in a renewable energy home for 30 years.
Local Future Network
Videographer/Editor: Aaron Wissner

Dan Chiras presents "FreeHeat for Life: Learn the Fundamentals of Affordable Passive Solar Design" about designing and improving passive solar designed homes. He details the good, the bad, and the ugly of designing great homes with passive solar. Very interesting for anyone interested in helping the environment, saving money, increasing their independence, or preparing for a lower-energy, post Peak Oil future.
Dan Chiras is an author of dozens of books including renewable energy and green building. He is a passive solar design consultant and a teacher at Colorado college. He lectures all around the country, and has lived in a renewable energy home for 30 years.
Local Future Network
Videographer/Editor: Aaron Wissner

Renewable Energy 101 | National Geographic

There are many benefits to using renewable energy resources, but what is it exactly? From solar to wind, find out more about alternative energy, the fastest-growing source of energy in the world—and how we can use it to combat climate change.
➡ Subscribe: http://bit.ly/NatGeoSubscribe
About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
Get More National Geographic:
OfficialSite: http://bit.ly/NatGeoOfficialSite
Facebook: http://bit.ly/FBNatGeo
Twitter: http://bit.ly/NatGeoTwitter
Instagram: http://bit.ly/NatGeoInsta
Select footage courtesy NASA
https://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11056
Renewable Energy101 | National Geographic
https://youtu.be/1kUE0BZtTRc
National Geographic
https://www.youtube.com/natgeo

13:12

Top 10 Energy Sources of the Future

These are ten most promising alternative energy sources of tomorrow.
It’s a really excit...

On Top of the World | Shell #makethefuture

Jennifer Hudson, Pixie Lott, Luan Santana, Yemi Alade and Monali Thakur celebrate five cleaner energy initiatives in On Top of the World. Join us, because access to energy can help change lives.
This is the official YouTube channel of Shell, a worldwide leader in the oil and gas industry. Our aim is to meet the energy needs of society in ways that are economically, socially and environmentally viable, now and in the future. We believe that oil and gas will remain a vital part of the global energy mix for many decades to come. Our role is to ensure that we extract and deliver these energy resources profitably and in environmentally and socially responsible ways.
Watch our technological and educational videos to gain a better understanding of how we do this. Our videos cover topics such as innovation, jobs and careers, investor relations information, motorsports, the Shell Eco-marathon, engineering and our top products such as Shell V-Power.
Visit our Website: http://www.shell.com/
Like us on Facebook: https://www.facebook.com/Shell/
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Follow us on Twitter: https://twitter.com/shell
Look us up on Flickr: http://www.flickr.com/photos/royaldutchshell
Linkedin: https://www.linkedin.com/company-beta/1271/

8:53

What Germany Can Teach Us About Home Energy

Watch the full episode: http://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In t...

What Germany Can Teach Us About Home Energy

Watch the full episode: http://www.thisoldhouse.com/toh/tv/video/0,,20961004,00.html
In this video, Ask This Old House plumbing and heating expert Richard Trethewey takes host Kevin O'Connor on a tour of Germany with an eye toward renewable energy and sustainable home heating.
Watch the new season of Ask This Old House: http://www.thisoldhouse.com/toh/tv/ask-toh/video/0,,,00.html
Find the TV schedule for air times in your area: http://www.thisoldhouse.com/toh/info/0,,20058777,00.html
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3:48

Energy 101: Geothermal Energy

See how we can generate clean, renewable energy from hot water sources deep beneath the Ea...

Energy 101: Geothermal Energy

See how we can generate clean, renewable energy from hot water sources deep beneath the Earth's surface. The video highlights the basic principles at work in geothermal energy production, and illustrates three different ways the Earth's heat can be converted into electricity.
Transcript:
http://energy.gov/eere/videos/energy-101-geothermal-energy
---
Subscribe to Energy for regular content: http://goo.gl/Ga5lP
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Get more info here about the research conducted in the Sustainable Energy Planning Group at Aalborg University:
http://www.EnergyPLAN.eu
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
SmartEnergySystems: 100% Renewable Energy at a NationalLevel (Full Version)
Denmark has decided to become independent from fossil fuels. For the sake of the climate, the economy, and in order to ensure security of energy supply. This film shows how this will happen based on research conducted at Aalborg University (http://www.smartenergysystems.eu).
At present wind and solar energy already delivers a good share of Denmark's energy, but renewable energy is a major challenge for an energy system that is built upon fossil fuels. Energy production from wind and solar fluctuates - it fluctuates as the wind blows. So what renewables are reliable when there is no sun or wind energy available?
Another challenge is the transport sector. How do we create an energy system of renewable energy, where also cars, ships and planes can operate on fossil-free energy? A great example of an energy system that will ensure Denmark a 100% renewable energy system is called: Smart Energy Systems - a coherent, fossil-free energy system that will create lots of new jobs and green energy for the Danes, both in terms of electricity, heat and transport.
Production courtesy of:
http://www.webwall.tv/blueplanetinnovation
http://www.blueplanetinnovation.dk

Thermoelectric tube from Panasonic harnesses thermal energy in hot water pipes for clean, renewable energy. Featuring a simple structure, in the future it could be used in factories to generate electricity from waste heat.
(http://www.diginfo.tv/v/12-0224-r-en.php)
20/12/2012
Panasonic
Thermoelectric Tubes
DigInfo TV - http://www.diginfo.tv

4:24

Can We Rely on Wind and Solar Energy?

Is green energy, particularly wind and solar energy, the solution to our climate and energ...

Can We Rely on Wind and Solar Energy?

Is green energy, particularly wind and solar energy, the solution to our climate and energy problems? Or should we be relying on things like natural gas, nuclear energy, and even coal for our energy needs and environmental obligations? Alex Epstein of the Center for IndustrialProgress explains.
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Script:
Are wind and solar power the answer to our energy needs? There’s a lot of sun and a lot of wind. They’re free. They’re clean. No CO2 emissions. So, what’s the problem?
Why do solar and wind combined provide less than 2% of the world’s energy?
To answer these questions, we need to understand what makes energy, or anything else for that matter, cheap and plentiful.
For something to be cheap and plentiful, every part of the process to produce it, including every input that goes into it, must be cheap and plentiful.
Yes, the sun is free. Yes, wind is free. But the process of turning sunlight and wind into useable energy on a mass scale is far from free. In fact, compared to the other sources of energy -- fossil fuels, nuclear power, and hydroelectric power, solar and wind power are very expensive.
The basic problem is that sunlight and wind as energy sources are both weak (the more technical term is dilute) and unreliable (the more technical term is intermittent). It takes a lot of resources to collect and concentrate them, and even more resources to make them available on-demand. These are called the diluteness problem and the intermittency problem.
The diluteness problem is that, unlike coal or oil, the sun and the wind don’t deliver concentrated energy -- which means you need a lot of additional materials to produce a unit of energy.
For solar power, such materials can include highly purified silicon, phosphorus, boron, and a dozen other complex compounds like titanium dioxide. All these materials have to be mined, refined and/or manufactured in order to make solar panels. Those industrial processes take a lot of energy.
For wind, needed materials include high-performance compounds for turbine blades and the rare-earth metal neodymium for lightweight, specialty magnets, as well as the steel and concrete necessary to build structures -- thousands of them -- as tall as skyscrapers.
And as big a problem as diluteness is, it’s nothing compared to the intermittency problem. This isn’t exactly a news flash, but the sun doesn’t shine all the time. And the wind doesn’t blow all the time. The only way for solar and wind to be truly useful would be if we could store them so that they would be available when we needed them. You can store oil in a tank. Where do you store solar or wind energy? No such mass-storage system exists. Which is why, in the entire world, there is not one real or proposed independent, freestanding solar or wind power plant. All of them require backup. And guess what the go-to back-up is: fossil fuel.
Here’s what solar and wind electricity look like in Germany, which is the world’s leader in “renewables”. The word erratic leaps to mind. Wind is constantly varying, sometimes disappearing completely. And solar produces little in the winter months when Germany most needs energy.
For the complete script, visit https://www.prageru.com/videos/can-we-rely-wind-and-solar-energy

Nuclear energy is a cheap and relatively clean source of energy for the planet, but lately it has been mired in controversy. Solar energy is often brought up as alternative resource, but is it really better than nuclear energy? Which is better for the planet? Let’s find out in this battle of Nuclear Energy vs Solar Energy!
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2:49

Alternative Energy | National Geographic

A new wave of technologies is on the verge of producing energy that's clean, renewable, an...

Alternative Energy | National Geographic

A new wave of technologies is on the verge of producing energy that's clean, renewable, and most importantly, affordable.
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About National Geographic:
National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible.
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Alternative Energy | National Geographic
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9:36

Couple Builds Energy Efficient Passive Solar Home - Green Building

In this video we meet Casey & Natasha, a conscious couple who built a passive solar home n...

Couple Builds Energy Efficient Passive Solar Home - Green Building

In this video we meet Casey & Natasha, a conscious couple who built a passive solar home near Ottawa, Ontario, Canada. In addition to orienting their house to face south, they installed overhangs that block the sun to keep it cool during summer months and allow the sun to enter and heat the house during winter months. They also installed a 10 kW solar system that sells clean electricity back to the grid through Ontario's MicroFIT Program and the revenue helps cover their own utility bills.
The house was built to Passive House standards and is currently pending certification. You can learn more about Passive House here:
http://www.passivehouse.ca/fundamentals/
The exterior walls of this house are 20" thick and are insulated using Roxul insulation which is made locally, better for the environment, can get wet, and has less flame retardants than traditional fiberglass insulation, which means cleaner air quality in the home.
To maximize the energy efficiency of their home, they installed triple glazed windows, a drain water heat recovery system, an air source heat pump water heater, and a bioethanol fireplace. They also chose sustainable alternatives like concrete countertops instead of granite, and reclaimed pine flooring instead of using new wood. Last but not least, they designed their house to be completely fossil fuel-free which means that they don't use any fossil fuels to power or heat their home.
Casey & Natasha are building a conscious group of companies to align their work life with their personal values. Their companies include The ConsciousBuilder, the Conscious Living podcast and the Conscious Store (coming soon!).
http://cgreyconstruction.com
http://caseyplusnatasha.com
Thanks for watching!
Mat & Danielle
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Music & SongCredits:
All music in this video was composed, performed, and recorded by Mat Dubé of Exploring Alternatives.

Figure360: an author presentation of Figure 2
Time-Dependent Changes in 139-Country-Summed, Annually Averaged End-Use PowerDemand for All Purposes (Electricity, Transportation, Heating/Cooling, Industry, Agriculture/Fishing/Forestry, and Other) and EnergySupply in the BAU (Conventional Fuels) Case and as Proposed Here in the WWS Case
Total power demand decreases upon converting to WWS. The percentages next to each WWS source are the final (2050) estimated percent supply of end-use power by the source. The 100% demarcation in 2050 indicates that 100% of all-purpose power is provided by WWS technologies by 2050, and the power demand by that time has decreased. In the WWS scenario, 80% conversion occurs by 2030.
http//dx.doi.org/10.1016/j.joule.2017.07.005#mmc2

In this first part of a 3-part series, I examine hydropower and geothermal energy as options to power a clean energy grid.
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================
LINKS LINKS LINKS
Global consumption of electricity and how its generated:
https://yearbook.enerdata.net/electricity/electricity-domestic-consumption-data.htmlGeothermal efficiency:
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdfReport on renewables providing base load energy:
https://www.skepticalscience.com/print.php?r=374
================
TRANSCRIPT:
Hydroelectric is the use of moving water to turn turbines that generate electricity, usually through the building of dams or pump stations on rivers.
And hydroelectricity is the king of renewable energy, making up 70% of the renewable energy produced around the world. And for good reason.
They’re kind-of the perfect energy source. It’s stable, base-load energy that’s flexible. If you need more electricity, just release more water into the turbines.
They’re cheap to run and maintain once they’re built and they’re 95% efficient at generating energy, compared to 33% for coal and 15% for solar.
And of course they create no pollutants, consume no fuel, and the water never stops flowing.
The Three Gorges Dam in China is actually the largest energy plant of any kind in the world and generates just under a hundred terawatt hours per year all by itself.
So, hydro is kinda perfect. The problem is, it’s location-specific.
If you don’t live by a large river, you’re not going to be able to use it. Luckily, most cities were built near rivers, but not all rivers are large and powerful enough to make enough difference to justify the cost of building them.
Which is also a problem. While they produce free energy for decades and even centuries after they’re built, hydroelectric dams are huge engineering projects that cost tons of money up front.
(By the way, the whole ‘expensive at first but then free for decades’ thing is a common theme amongst renewable energies)
They also create reservoirs and lakes that flood a lot of land whose landowners may not want to give up.
There are some concerns about the disruption of fish habitats, but… that’s not at the top if my list of concerns.
So each hydroelectric plant is a birds nest of legal and construction challenges to overcome but even so, the number of hydropower plants are expected to double by 2050.
Another base load energy source is geothermal energy.
Geothermal uses the heat from natural geologic hotspots to turn turbines that generate electricity.
Iceland and the Philippines are major producers of geothermal power, which can be used in huge commercial plants to power entire cities or just pump the heat directly into homes for heating.
It’s a consistent flow of energy so it never runs out, but the efficiency isn’t great. Only an average of 12% efficiency.
Which really just means it will take longer for the investment to build it to pay off because once it’s turned on, it’s just free energy basically. And the efficiency is getting better, with newer plants getting over 20%.
https://www.geothermal-energy.org/pdf/IGAstandard/NZGW/2012/46654final00097.pdf
Even in Iceland, which is covered in hotspots and has a very progressive attitude toward clean energy, it only accounts for 30% of their energy production.
So it’s not likely to become a major source of energy worldwide
And as if all that wasn’t enough of a bummer, it also turns out that geothermal can produce greenhouse gasses.
Geologic hotspots churn up all kinds of stuff from inside the Earth, stuff like sulfur dioxide and silica emissions, and heavy metals like mercury, arsenic and boron.
These can get in the reservoirs and eventually the water supply.
Oh, and by the way, one of the methods they use to open up geothermal wells is hydraulic fracking. Yeah. That hydraulic fracking.
Let’s drill down and inject extremely high pressure water and other chemicals… Right over a volcano.
What could go wrong?
Earthquakes. That’s what.
Just like fracking for natural gas has caused earthquakes in Oklahoma...
(zoom in)
Earthquakes. In Oklahoma.
A geothermal well that was drilled in Switzerland set off an earthquake that measured a 3.4 on the Richter scale.
(pained)
Geothermal… Why do you hurt me so?
I used to think geothermal was really cool. Used to.
So am I wrong about this? Do you have experience using geothermal, or working in hydro plants? Are my numbers garbage? Let me know in the comments
The next video in this series will focus on biomass energy and harnessing the motion of the ocean to make power.

Smart Energy Europe: a 100% Renewable Energy Scenario for the European Union

This study presents one scenario for a 100% renewable energy system in Europe by the year 2050. The transition from a business-as-usual situation in 2050, to a 100% renewable energy Europe is analysed in a series of steps. Each step reflects one major technological change. For each step, the impact is presented in terms of energy (primary energy supply), environment (carbon dioxide emissions), and economy (total annual socio-economic cost). The steps are ordered in terms of their scientific and political certainty as follows: decommissioning nuclear power, implementing a large amount of heat savings, converting the private car fleet to electricity, providing heat in rural areas with heat pumps, providing heat in urban areas with district heating, converting fuel in heavy-duty vehicles to synthetic fuel, and replacing natural gas with synthetic methane. The results indicate that by using the SmartEnergySystem approach, a 100% renewable energy system in Europe is technically possible without consuming an unsustainable amount of bioenergy. This is due to the additional flexibility that is created by connecting the electricity, heating, cooling, and transport sectors together, which enables an intermittent renewable penetration of over 80% in the electricity sector. The cost of the Smart Energy Europe scenario is approximately 10-15% higher than a business-as-usual scenario, but since the final scenario is based on local investments instead of imported fuels, it will create approximately 10 million additional direct jobs within the EU.

1:04:33

Public Lecture | Paint-On Solar Cells: How the Magic Happens

Solar power is a clean and renewable source of energy, but it has struggled to compete wit...

Public Lecture | Paint-On Solar Cells: How the Magic Happens

Solar power is a clean and renewable source of energy, but it has struggled to compete with fossil fuels on cost. Most solar cells, which absorb sunlight and produce electrical energy, are built from silicon. SLAC’s Kevin Stone is exploring a new class of materials for solar cells. Like silicon, these materials are crystals; but unlike silicon, they are formed by gently heating and drying from solution at low temperatures. In essence, they can be painted on, either on light, flexible backing or on conventional silicon cells as a way to improve the silicon cell’s efficiency. These crystals have a complex structure that seems to organize itself spontaneously as the solution is converted to a solid. Using advanced tools at the Stanford Synchrotron Radiation Lightsource, Stone has been able to watch these crystals assemble at the atomic level and gain clues to the forces that guide this process. By understanding this fascinating chemical mystery, scientists will also gain insights needed to design more effective and economical solar cells.
About the speaker:
Kevin Stone is a staff scientist at SLAC’s Stanford Synchrotron Radiation Lightsource. He studied physics at UC Berkeley and received his PhD in physics from Stony Brook University in 2009. His graduate research was conducted at the National Synchrotron Light Source at Brookhaven National Laboratory, where he worked on solving the structure of crystalline materials from powder diffraction data. After graduating, he worked as a postdoctoral researcher at Lawrence Berkeley National Laboratory studying materials using resonant soft X-ray scattering. In 2013 he moved to SLAC, where he uses X-ray scattering to study a number of energy-related materials and systems.

1:26:13

How to cheaply and comfortably heat your home with renewable energy

How to cheaply and comfortably heat your home with renewable energy
Tim Forcey presents ho...

The United Nations predicts the world’s population will surpass 10 billion by 2030. It’s a sobering reality that will undoubtedly put a significant stress on the planet’s natural resources. This has brought clean technology to the forefront, making it Canada’s fastest-growing sector and galvanizing researchers like MajidBahrami to create new solutions for a planet in flux. This lecture provides an overview of Dr. Bahrami’s research on developing novel clean technologies—powered by waste heat, or solar and geothermal energy sources that provide drinkable water, air conditioning and energy storage.
Dr. Majid Bahrami is a professor in SFU’s School of Mechatronic Systems Engineering, founder of the Laboratory of Alternative EnergyConversion, and a Canada Research Chair in Alternative Energy Conversion Systems. His research group studies and develops clean and sustainable energy projects such as fuel cells, refrigeration, and microelectronics cooling technologies and earned the 2016 Canada Clean50 Award. His latest invention, the HybridAtmospheric Water Generator (HAWgen), harvests water from atmosphere and was a finalist in the BC TechnologyIndustryAssociation 2016 Technology Impact Award.

33:31

How To Make Renewable Energy At Home -Easy Ways to Power Your Home With Renewable Energy

How To Make Renewable Energy At Home -Easy Ways to Power Your Home With Renewable Energy ...

How To Make Renewable Energy At Home -Easy Ways to Power Your Home With Renewable Energy

How To Make Renewable EnergyAt Home -Easy Ways to Power Your Home With Renewable Energy http://bit.ly/2y6KXeb
How To Make Renewable Energy At Hom
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How To Make Renewable Energy At Home
Generate your own electricity at home -ways generate electricity
how to make green energy in the home legal and you would become an expert in the area when you hold the same.
Why is renewable energy important? Alternative Energy Home
Environmental Benefits At Home http://bit.ly/2y6KXeb
Renewable energy technologies are clean sources of energy that have a much lower environmental impact than conventional energy technologies.
Easy Ways to Power Your Home With Renewable Energy
Energy for our children's children
Renewable energy will not be exhausted. Never. Other sources of energy are finite and will be exhausted someday.
Easy Ways to Power Your Home With Renewable Energy
Jobs and Economics
Most investments in renewable energy are spent on materials and labor to build and maintain facilities, rather than on expensive energy imports. Investments in renewable energy are typically spent in the United States, often in the same state and often in the same city. This means that your energy dollars stay at home to create jobs and fuel the local economies, rather than going abroad.
Meanwhile, renewable energy technologies developed and built in the United States are sold overseas, fueling the US trade deficit.
Alternative Power Sources For ElectricityCan We Use HousePlans http://bit.ly/2y6KXeb
Energy Security
After oil supply disruptions in the early 1970s, our nation has increased its dependence on the supply of foreign oil rather than diminishing it. This greater dependence affects more than our national energy policy.
Importance of Renewable Energy Resources
Renewable energy is reliable and abundant and will be potentially very cheap once technology and infrastructure improves. It includes solar, wind, geothermal, hydroelectric and tidal power, as well as biofuels that are grown and harvested without fossil fuels. Non-renewable energy, such as coal and oil, requires expensive explorations and potentially dangerous mining and drilling, and will become more expensive as supplies decline and demand increases. Renewable energy only produces minimum levels of carbon emissions and thus helps to combat climate change caused by the use of fossil fuels.
Renewables Energy How? http://bit.ly/2y6KXeb
Renewable energy sources are so named because, apart from geothermal energies and tides, they are constantly replenished by sunlight. Unequal solar heating of the Earth's surface causes wind. Sunlight also feeds the water cycle, which is harnessed through hydroelectric power, including hydroelectric dams and less invasive systems that take advantage of ocean currents or currents. Biofuels are grown in sunlight. Geothermal energy is considered renewable because of the radioactive decay in the Earth's core, which is not expected to cool in the short term, it produces it. The gravitational pull of the sun and moon causes the tides.
Ways Generate Electricity and Renewable Energy At Home - Generate Your Own Electricity At Home and Power http://bit.ly/2y6KXeb
How To Make Renewable Energy At Home- https://youtu.be/U918gP8jB8E

1:27:49

Webinar: Renewable district heating – Small local grids and cooperative utilities

District heating based on local renewable energy sources is becoming more and more an appe...

Webinar: Renewable district heating – Small local grids and cooperative utilities

District heating based on local renewable energy sources is becoming more and more an appealing solution for small communities in search of energy independence and of a stable price for their thermal energy supply. Such solutions often foresee a strong and direct involvement of the customers who could even own, at the same time, their heating grid by constituting a cooperative company to run the business.
Examples of such district heating approach, already quite common in Denmark and Germany, are now spreading quickly around Europe. The webinar will present the most exciting, recent and inspiring stories to show how consumers can take the lead in the transition towards a clean and sustainable future. Thank you to sponsor Savosolar (www.savosolar.com) for their support.

26:24

Limitless clean energy that can make petrolium fuels obsolete

Bill Mollison explains what a trompe is and how compressed air can provide limitless amoun...

[BBC TechnologyDocumentary] Renewable Energy - NEWScience Documentary HD
Renewable energy is generally defined as energy that comes from resources which are naturally replenished on a human timescale such as sunlight, wind, rain, tides, waves and geothermal heat.[2] Renewable energy replaces conventional fuels in four distinct areas: electricity generation, hot water/space heating, motor fuels, and rural (off-grid) energy services.[3]
Based on REN21's 2014 report, renewables contributed 19 percent to our energy consumption and 22 percent to our electricity generation in 2012 and 2013, respectively. Both, modern renewables, such as hydro, wind, solar and biofuels, as well as traditional biomass, contributed in about equal parts to the global energy supply. Worldwide investments in renewable technologies amounted to more than US$214 billion in 2013, with countries like China and the United States heavily investing in wind, hydro, solar and biofuels.[4]
Renewable energy resources exist over wide geographical areas, in contrast to other energy sources, which are concentrated in a limited number of countries. Rapid deployment of renewable energy and energy efficiency is resulting in significant energy security, climate change mitigation, and economic benefits.[5] In international public opinion surveys there is strong support for promoting renewable sources such as solar power and wind power.[6] At the national level, at least 30 nations around the world already have renewable energy contributing more than 20 percent of energy supply. National renewable energy markets are projected to continue to grow strongly in the coming decade and beyond.[7]
While many renewable energy projects are large-scale, renewable technologies are also suited to rural and remote areas and developing countries, where energy is often crucial in human development.[8] United Nations' Secretary-GeneralBan Ki-moon has said that renewable energy has the ability to lift the poorest nations to new levels of prosperity
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Dan Chiras presents "FreeHeat for Life: Learn the Fundamentals of Affordable Passive Solar Design" about designing and improving passive solar designed homes. He details the good, the bad, and the ugly of designing great homes with passive solar. Very interesting for anyone interested in helping the environment, saving money, increasing their independence, or preparing for a lower-energy, post Peak Oil future.
Dan Chiras is an author of dozens of books including renewable energy and green building. He is a passive solar design consultant and a teacher at Colorado college. He lectures all around the country, and has lived in a renewable energy home for 30 years.
Local Future Network
Videographer/Editor: Aaron Wissner

The breakthrough in renewable energy - (VPRO docum...

The Rise of Renewable Energy is Now Gaining Moment...

Webinar: Renewable Thermal Energy in Massachusetts...

Smart Energy Europe: a 100% Renewable Energy Scena...

Public Lecture | Paint-On Solar Cells: How the Mag...

How to cheaply and comfortably heat your home with...

Solar thermal and hybrid photovoltaic thermal syst...

SFU President's Faculty Lecture Series Putting Was...

How To Make Renewable Energy At Home -Easy Ways t...

Webinar: Renewable district heating – Small local ...

Limitless clean energy that can make petrolium fue...

The SOLAR HOT WATER HEATER SOLUTION...

[BBC Technology Documentary] Renewable Energy - NE...

Free Heat for Life: Fundamentals of Affordable Pas...

It turns out that a theory explaining how we might detect parallel universes and prediction for the end of the world was proposed and completed by physicist Stephen Hawking shortly before he died ... &nbsp;. According to reports, the work predicts that the universe would eventually end when stars run out of energy ... ....

In another blow to the Trump administration Monday, the US Supreme Court decided Arizona must continue to issue state driver’s licenses to so-called Dreamer immigrants and refused to hear an effort by the state to challenge the Obama-era program that protects hundreds of thousands of young adults brought into the country illegally as children, Reuters reported ... – WN.com. Jack Durschlag....

An explosion on Sunday night in Austin shared "similarities" with three bombs that went off in the Texas capital earlier this month and authorities were warning on Monday that they are dealing with a serial bomber who is targeting the city, according to the Washington Post... “So we’ve definitely seen a change in the method that this suspect … is using.” ... “And we assure you that we are listening ... -WN.com, Maureen Foody....

Uber announced on Monday that it was pulling all of its self-driving cars from public roads in Arizona and San Francisco, Toronto, and Pittsburgh after a female pedestrian was reportedly killed after being struck by an autonomous Uber vehicle in Tempe, according to The Verge.&nbsp; ... “We are fully cooperating with local authorities in their investigation of this incident.” ... "Some incredibly sad news out of Arizona....

A panel of federal judges dismissed the Republican lawsuit challenging a new congressional map that was imposed by the Pennsylvania Supreme Court, ending one of two challenges to the map on Monday, according to The Inquirer. The judge's decision said that the Republican lawmakers who brought the challenge did not have legal standing to do so and that the case is inappropriate for the court to take up at this time ...ChiefU.S....

With springtime comes refreshed weather, more time outdoors, and those inevitable flyers and ads for air duct cleaning. The concept sounds useful enough, but you may be asking yourself — is air duct cleaning really worth it?. Angie's List members anecdotally report increases in air quality after a cleaning. However, the Environmental Protection Agency says no scientific evidence shows that air duct cleaning improves air quality....

GHAZIABAD. A 26-year-old driver working with taxi aggregator Uber died of electrocution on Sunday evening while cleaning his car with a vacuum cleaner ... “He was cleaning the vehicle in front of his house while his elder brother Rakesh was sitting nearby. Suddenly, Rakesh noticed that froth was coming out from his brother’s mouth ... ....

Ian Happ downplayed the significance of his contributions this spring as manager Joe Maddon assesses various lineup options. “It’s not important who is going to be the leadoff guy,” Happ said. “It’s just the guys we have in the lineup. How deep we are is impressive. There’s no bad spot to hit in... ....

I am writing this letter to advocate for the Capitola residences to have access to clean, pure water. Families and children deserve to have water that is free of pesticides, salt-water and fertilizers. Clean water is needed for the well-being of children and for optimal family health. I encourage the continual efforts of the groundwater agency to prioritize the Capitola residences to have clean and sanitary water ... ....

On March 13 at MCE 2018 in Italy, Haier, the world’s No.1 connected air-conditioning (including smart air-conditioning) brand recognized by Euromonitor International, brought the concept of "cleaning air" instead of "making ACs" to the whole world in the IoT era by displaying the only full set of smart air conditioning solutions ... They are also able to give out clean air, eliminating secondary indoor pollution....